Item 6 Over a 10-year period, a nation of 100 million people has a birth rate of 15 million, but a death rate of 5 million and a net migration rate of 2 million. What is happening to the population? decreasing in size growing in size decreasing first and then growing staying the same over time
Decreasing first and then growing happening to the population because at every year 10.20 percent population is growing.
How can you figure out a population's growth rate when there are births and deaths?The net reproduction rate (r) is computed as follows: r = (births-deaths)/population size, or simply multiply by 100 to get in percentage terms. Because the population has grown so much, many more people have been added. When a population grows at a steady rate year after year, this is referred to as exponential growth.
Migration is the the number of immigrants minus the number of emigrants over a given time period, divided by the number of person-years lived by the receiving country's population during that time period. It is calculated as the number of net migrants per 1,000 people.
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PLEASE HELP!!!!
4. Describe the design solution engineers and scientists developed to prevent contamination of Cleveland drinking water. Why did their solution need to address both sub-problems equally?
Cleveland drinking water is treated to ensure safety before its consumption (this process involves the removal of debris, flocculation, etc).
What is water treatment?Water treatment refers to the strategies aimed at enhancing water quality to be consumed and/or used in agriculture.
Cleveland water experience a complex process that involves the removal of debris, flocculation, filtration, etc.
In conclusion, Cleveland drinking water is treated to ensure safety before consumption (this process involves the removal of debris, flocculation, etc).
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Match each interaction with its description.
Tiles
interference competition
apparent competition
exploitation competition
Pairs
Individuals do not compete directly
for resources, but are prey for the
same predator.
Individuals interact indirectly while
competing for common resources.
An individual directly interacts and
changes the way other individuals
attain resources.
There is competition among species when they jostle for scarce resources.
What is competition?The term competition has to do with a situation in which members of the same species scramble for scarce resources.
The following are the definitions of the types of competition;
interference competition - An individual directly interacts and changes the way other individuals attain resources.apparent competition - Individuals do not compete directly for resources, but are prey for the same predator.exploitation competition - Individuals interact indirectly while competing for common resources.Learn more about competition among organisms:https://brainly.com/question/13775651
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Answer:
Individuals do not compete directly
for resources, but are prey for the
same predator.- apparent competition
Individuals interact indirectly while
competing for common resources.- exploitation competition
An individual directly interacts and
changes the way, other individuals
attain resources.-- interference competition
Explanation: I'm 100% right, you will see!
Estimate the maximum time a person could listen to a sound of 87 decibels.
The maximum time a person could listen to a sound of 87 decibels is: 8 hours
Meaning of DecibelsDecibels can be defined as the unit used by scientists to measure sound level.The values of Decibel ranges from a very low value to a very high value and the higher we get the more dangerous it is to our human ear.
In conclusion, The maximum time a person could listen to a sound of 87 decibels is 8 hours
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The unit discusses the benefits of rovs. what might some of the limitations be?
Aerial coverage is the limitation of the Rovs that occur due to its large length.
What is the disadvantage of ROVS?A major disadvantage of using ROVs for deployment of the sensor is that it is generally 500–1000 m long so due to its high length, it limits the aerial coverage.
So we can conclude that aerial coverage is the limitation of the Rovs that occur due to its large length.
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Part C
What was the total amount spent on Veterans’ Benefits?
The total amount that was spent on Veterans’ Benefits is 233.78 billion U.S. dollars.
What was the total amount spent on Veterans’ Benefits?According to the Veterans Benefits Administration, Spending for the disability program is increased about quadrupled from $22 billion in 2000 to $85 billion in 2019. The total spending on Veterans’ Benefits is 233.78 billion U.S. dollars.
So we can conclude that The total amount that was spent on Veterans’ Benefits is 233.78 billion U.S. dollars.
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Answer:
$160.63 billion
Explanation:
plato/edmentum
The four bases of DNA are Adenine, Guanine, Cytosine and Thymine. How many kinds of rungs are there on a DNA ladder?
Four
Six
Two
Eight
Four
The rungs of the DNA ladder made of four types of nitrogenous bases. These are Adenine (A), Guanine (G), Cytosine (C) and Thymine (T).
Investigate substances containing carbon or oxygen that relate to biological processes. explain their main function in those processes.
(platform is edmentum) must be in own words
Carbon and oxygen are essential substances for life on earth through the process of photosynthesis.
How to explain photosynthesis?Photosynthesis is a process carried out by photosynthetic autotrophic organisms such as plants, algae and some prokaryotes. They capture sunlight, transform it into chemical energy and produce organic compounds from water and carbon dioxide.
It can be summarized as the process of transforming light energy into chemical energy. The term photosynthesis means synthesis by light.
In addition to photosynthesis, they have other cycles that carbon and oxygen are part of, such as combustion and respiration.
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Photosynthesis is the biological process containing carbon or oxygen.
What is photosynthesis?Photosynthesis is the method in which green plants utilise sunlight to create their own food.
Photosynthesis is essential for life on Earth. Without it there would be no green plants, and without green plants, there would be no creatures Interactive. Photosynthesis needs sunlight, chlorophyll, water, and carbon dioxide gas.
Thus, Photosynthesis is the answer.
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Which of the following is not a problem in a small population?
Inbreeding
Preditation
Disease
Birth Rates
Answer:
in all honesty, they are all a problem. I would say the least likely not to be a problem is predation.
Explanation:
Smaller numbers mean you have fewer opportunities and choices to reproduce, hence inbreeding and birth rates (if the birth rates were low). any disease could then wipe out the population due to a lack of genetic diversity. So I would say preditation is your best bet
Which structure in the diagram below is a muscle that contracts during inhalation?
The diaphragm in the diagram below is a muscle that contracts during inhalation. thus option A is correct option.
What is the role of the diaphragm?The diaphragm, located below the lungs, is the major muscle of respiration. It is a large, dome-shaped muscle that contracts rhythmically and continually, and most of the time, involuntarily.
Upon inhalation, the diaphragm contracts and flattens and the chest cavity enlarges.
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The Arctic Ocean is considered part of
the
A. atmosphere.
B. troposphere.
C. lithosphere.
D. hydrosphere.
Answer:
i think A: atmosphere is the ans
The Arctic Ocean can be considered a fundamental part or player of the hydrosphere (Option D).
What is the hydrosphere?Hydrosphere refers to all water bodies present on the Earth, including oceans such as the Arctic Ocean.
This part of Earth (hydrosphere) plays a fundamental role in the homeostasis or state of equilibrium of the ecosystems.
In conclusion, the Arctic Ocean can be considered a fundamental part or player of the hydrosphere (Option D).
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Elevated brain levels of the transmitter ________ function to inhibit aggression. serotonin GABA dopamine Glutamate
What conclusions can be drawn about the greater
number of sunflower sprouts compared to the number of
birch tree sprouts in both the experimental and control
groups?
(please answer with sample response ) please answer accordingly!!!!
12 points
The number of sunflower sprouts will be higher than birch tree sprouts because sunflower sprouts have a higher growth rate than birch tree sprouts.
What is the growth rate?Growth rate refers to the ratio of development of a given population and/or biological structure.
The growth rate may result very useful in ecology studies as above mentioned (ecological succession).
In conclusion, the number of sunflower sprouts will be higher than birch tree sprouts because sunflower sprouts have a higher growth rate than birch tree sprouts.
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Answer: The number of sunflower sprouts is greater than the number of birch tree sprouts in both groups because sunflowers have a faster growth rate than birch trees.
Explanation:
Sustainability can be achieved through careful resource management. please select the best answer from the choices provided t f
It is a a true statement that; Sustainability can be achieved through careful resource management.
What is sustainability?The term sustainability has to do with the ability to utilize resources in a way that they are not quickly depleted or degrade the environment. Sustainability is the reason behind all environmental conservation efforts of governments around the world.
It is a a true statement that; Sustainability can be achieved through careful resource management.
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Answer:
It is True.
Explanation:
The practice of leaving crop residue on the field between plantings to help prevent soil erosion is known as
The practice of leaving crop residues on the field in between planting seasons is known as conservation tillage.
Conservation tillageSome soils are prone to erosion once they are directly exposed to the impact of precipitation.
After harvesting crops from a field, the crop residues are left on the field to prevent the direct impact of precipitation in cause erosion. The crop residue, in addition, adds to the organic matter of the soil after their decomposition.
Such a practice is known as conservation tillage.
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Genetic drift causes random changes in allele
frequencies.
What type of genetic drift occurs from adaptive
radiation?
A. Founder Effect - when a few organisms colonize a new area
B. Emigration - when individuals leave a population
C. Coevolution - when species evolve together
Founders' effect type of genetic drift occurs from adaptive radiation. thus option A is true.
What is genetic drift?Genetic drift is an evolutionary process in which the frequency of a given gene allele varies randomly across a population.
The founder effect, which happens when a small group of people splits off from a larger population to form a colony, is yet another extreme illustration of drift.
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Answer: A. Founder Effect - when a few organisms colonize a new area
Explanation:
Which of the following statements best describes a mechanism similar to how liposomes work?
a) water molecules passing through an aquaporin
b) a carrier protein changing its shape to transport a molecule
c) cell membrane forming a vesicle to take in a protein from outside the cell
d) a proton pump transporting hydrogen ions against their electrical gradient
The following statements best describes a mechanism similar to how liposomes work is a) water molecules passing through an aquaporin.
What are the mechanism of aquaporins ?The number one characteristic of maximum aquaporins is to move water throughout cell membranes in reaction to osmotic gradients created via way of means of lively solute transport. A liposome includes a area of aqueous internal a hydrophobic membrane.
The motion of water thru the aquaporins is pushed via way of means of osmotic gradients. For example, crimson cells dropped into seawater will reduce due to the fact water leaves the cells; crimson cells dropped into sparkling water will swell and explode for the reason that water enters the cells.
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Science I need to know the answer
Based on the hypothesis (Big Bang theory) that the universe is expanding, an analysis of light wave would indicate: A. a decrease in frequency and a red shift.
What is a redshift?A redshift can be defined as a displacement (shift) of the spectral lines of an astronomical (celestial) object toward longer wavelengths and a corresponding decrease in frequency, as a result of the Doppler effect.
Basically, a redshift occur when observing an astronomical (celestial) object from planet Earth because it's receding (moving away) from planet Earth.
In conclusion, we can infer and logically deduce that an analysis of light wave would indicate a decrease in frequency and a red shift based on the hypothesis (Big Bang theory) that the universe is expanding.
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Kai cuts his hand while making dinner. A couple of days later, his hand is swollen and infected. Which body system most likely failed?
Grupo de elecciones de respuesta
Respiratory
Immune
Digestive
Excretory
Answer:
Immune
Explanation:
The immune system is the one that is supposed to not let the bacteria get in. Pls, Mark me the brainiest.
What climatic conditions are required to trigger an amphibian migration?.
What is the first step when performing the pool edge technique for rapid extrication as the primary in water rescuer completes in water rescue breathing
Victim can be accomplished with as few as two lifeguards is fiest step when performing the pool edge technique for rapid extrication as the primary in water rescuer completes in water rescue breathing
How to remove a victim from the pool?To remove a victim, the primary guard who performed the rescue pushes the victim to the side and transfers the victim to a waiting guard on deck.
The person is forced to face the pool's side while their head is protected and their face is kept out of the water (and their airway open if they are unconscious). The main guard exits the pool, grabs the backboard, and lowers it straight into the water.
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Classify these hypotheses about the ocean as falsifiable or non-falsifiable.
limestone erodes faster than
basalt when exposed to
ocean salt water
the rugged panama coastline
offers a wonderful experience
for fishing enthusiasts.
shallower tide pools support
more algae growth
warm ocean water is
more enjoyable to swim
in than cool ocean water.
falsifiable
non-falsifiable
Falsifiable: Panama coastline offers a wonderful experience; warm water is more enjoyable to swim.
Non-falsifiable: limestone erodes faster than basalt; shallower tide pools support algae growth.
What is non-falsifiability?Confidently declaring that a thesis or hypothesis is true or false even though the idea or hypothesis cannot perhaps be opposed by observance or the outcome of any physical experiment, is generally proof without strong or good reasoning.
Thus, this could be the answer.
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How do landfills contribute to global warming?
a. They keep people from recycling.
b. Animals become dependent on landfills for resources.
They take up valuable space.
C.
d.
They produce methane, a greenhouse gas.
landfills are a factor in global warming. A greenhouse gas they create is methane. human-related greenhouse gas emissions. Leaks form natural gas systems or the raising of cattle are two human activities that release methane.
The implications of global warmingThis warming is a result of human activities, particularly the burning of fossil fuels, which raises the levels of heat-trapping greenhouse gases in the atmosphere.
Were we able to halt global warming?Yes. However, by lowering human emissions with heat-trapping gases plus soot (also known as "black carbon"), we may limit the amount the global warming and moderate its rate.
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Which of these is the process of obtaining energy by changing carbohydrates to
alcohol?
The prefix "deka" is used to designate which power of ten?
21
9
6
1
Task 1
Traveling Merchant Diaries
In this unit, you studied civilizations in Africa and Asia that existed during the medieval period. These civilizations included the great trading empires of West Africa and the Islamic civilizations of India and Southeast Asia. This unit also covered the spread of the Mongol Empire under Genghis Khan and his descendants.
Part A
Imagine that you are a merchant from Europe who has traveled to China on the Silk Road during the time of Mongol rule. Think about the kinds of items that you might be selling. Also, think about the places you might have visited. In addition, consider the cultural characteristics such as language and religion that you have come into contact with. Refer back to the lessons in the unit and do some research on the Internet as support for this activity. Then, write a short diary entry of about 75 to 100 words from the perspective of the merchant. Make sure you include information about the items traded, places visited, and cultural characteristics.
To write a diary about a journey through the Silk Road, we must take into account all the aspects that we experience daily on this journey.
How to write a diary?A diary is a written resource that was used in ancient times to make a daily written record of a trip, crossing or territorial discovery.
In general, diary are primary information resources that allow us to know very precisely how past events unfolded.
To write a diary about a journey through the Silk Road, several aspects must be taken into account, such as the different cultures with which the merchants had to interact.
Additionally, we must take important aspects into account such as the location and the date on which we write that diary, for example:
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State 2 features each which viruses have in common with living things
PLEASE HURRRY! When you observed the BEAN plant with a hand lens, what did you note about root nodules?
Question 7 options:
I did not see any nodules present.
There was one large, red nodule present.
There were less than 6 nodules.
There were more than 6 nodules.
When the BEAN plant is observed with a hand lens, it was observed that there were more than 6 root nodules; option D.
What are root nodules?Root nodules are nodules found on the root leguminous plant wherein nitrogen-fixing bacteria live which help in fixing atmospheric into the soil.
A hand lens is a magnifying lens which is used to view and enlarge the size of small objects.
A bean plant is a leguminous plant.
Using a hand lens to observe a bean plant will show the presence of root nodules.
Therefore, when the BEAN plant is observed with a hand lens, it was observed that there were more than 6 root nodules; option D.
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Abiotic factors that could affect the stability of an ecosystem could include:.
internal control systems maintain homeostasis by regulating which of these?
The Endocrine and Central nervous systems are the major control systems for regulating homeostasis.
-Homeostasis is the ability to maintain internal stability in an organism in response to the environmental changes.
-In this the hypothalamus maintains homeostasis, regulating metabolism, reproduction, eating and drinking behaviour, energy utilization, osmolarity and blood pressure.
-Most control systems maintain homeostasis by a process called negative feedback.
-Negetive feedback is a mechanism in which the product of a reaction leads to a decrease in that reaction.
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