Answers
Answer:
Explanation:
Matter can change form through physical and chemical changes, but through any of these changes matter is conserved. The same amount of matter exists before and after the change—none is created or destroyed. This concept is called the Law of Conservation of Mass.
Related Questions
describe each step of the water cycle, carbon cycle, and nitrogen cycle
Answers
The biogeochemical cycle has to do with the cycle of nutrients and elements in nature.
What is the biogeochemical cycle?The biogeochemical cycle has to do with the cycle of nutrients and elements in nature; they include the water cycle, carbon cycle, and nitrogen cycle.
The water cycle begins with the evaporation of surface water which is then condensed in the cloud and falls as rain.
The carbon cycle involves the combustion of fossil fuels, the calcification of shells of animals as well as the decay of organisms to release gaseous CO2.
The nitrogen cycle involves the nitrogen content of living things that is returned during decay to the earth as well the fixation of nitrogen by bacteria and also nitrification.
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Explain five ways HIV can change your life
Answers
Answer:
It can change the way your peers and people view you as an individual
Effect the way you view yourself
Can cause a broken relationship
thats it
Explanation:
A solution that is a 4 on the pH scale is a?
O weak acid
O strong acid
O weak base
Ostrong base
Answers
Answer:
Weak acid
Explanation:
correct me if I'm wrong
deserts savannas and taigas are all examples of what biome.
Answers
Answer:
Terrestrial Biome Examples. Terrestrial biomes include tropical rainforests, temperate forests, grasslands, deserts, tundra, taiga, savanna and chaparral.
Explanation:
Answer:Terrestrial Biome
Explanation:im just smart like that you feel me
What geologic activity is especially
associated with the San Andreas fault?
A. volcanoes
B. earthquakes
C. mountain building
D. mudslides
Answers
Answer:
earthquakes
Explanation:
Answer:
Earthquakes
The San Andreas Fault System has a historic record of moderate to great earthquakes. The surficial expressions of the two greatest historic earthquakes on the San Andreas are fairly well documented. The great San Francisco earthquake of 1906 was similar in magnitude to the great Fort Tejon earthquake of 1857.
what do you need to know to describe the velocity of an object
Answers
What are the two types of quantities scientists consider when examining something?
Answers
Answer:
The two types of quantities scientists consider when examining is Scalars and Vectors
B)Is gold heavier than silver?
C)Do apples taste better than oranges
Answers
Answer:
B): Gold is in fact heavier than silver. Smaller gold objects will be heavier than silver objects even if they're both the same size.
C): I cannot answer this question because it would be an opinion. Both are good in nutritional value.
Explanation:
4.
During childbirth stretching of the uterus triggers the
secretion of the hormone oxytocin, which stimulates uterine contractions and speeds up labor and
delivery of a baby.
5.
The body regulates blood pressure in a process in which
nerves sense the blood flow resistance associated with higher blood pressure; the nerves relay
this message to the brain; the brain then slows down the heart rate and dilates the blood
vessels, lowering the blood pressure. ARE THESE NEGATIVE OR POSITIVE FEEDBACK
Answers
Answer:
1. Positive Feedback
2. Negative Feedback
Genetic recombination, production of more offspring than can survive, and struggling with the challenges of the environment are all concepts associated with.
Answers
The concepts of genetic recombination, the production of more offspring, and surviving the challenges of the environment are associated with natural selection.
Natural selection and evolutionNatural selection describes the adaptation and modification of populations of living things.
Members of a population are inherently varied, which means they differ in certain respects. Because of these differences, some individuals can be better suited for their surroundings, which is very important in enhancing the chances of surviving and increasing the chances of reproducing as well, thus passing on their adaptive features to their progeny. These beneficial features grow increasingly prevalent in the population over time.
The differences in traits can be explained by changes in the structure of the molecules that make up genes (DNA) are known as mutations. Mutations can occur at random (for example, when replicating cells make a mistake while duplicating DNA) or as a result of exposure to toxic substances or radiation in the environment.
Mutations can be damaging, neutral, or even beneficial, leading to the development of a new, beneficial characteristic. Mutations can be handed on to children when they arise in germ cells.
These processes are all important for the evolution of species.
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Drag each tile to the correct box
Amange the organisms according to their positions in the food web, starting with the autotraphs.
Answers
|
Homogeneous
|
Heterotrophs
Which of the following is a negative consequence of the application of scientific knowledge? a. industrial pollution b. increased life expectancy c. technological developments d. new energy sources Please select the best answer from the choices provided O A Ов C OD?
Answers
Industrial pollution is a negative consequence of the application of scientific knowledge. Thus, the correct option is A.
Why industrial pollution has been increased?Increasing air and water pollution, as well as increased consumption of fossil fuels, occurred from the use of chemicals and fuel in manufacturing resulted in pollution. Acid rain has been increased which is a phenomena that occurs when pollutants are discharged into the sky and subsequently fall back to earth as precipitation as a result of coal combustion.
Science and technology advancements have resulted in significant pollution and degradation of the human environment. Pollution from industries, factories, and locomotives pollutes the air, causing acid rain, global warming, and ozone layer depletion.
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can chemical energy from food
be converted to electrical energy
Answers
The body converts the chemical energy in food into mechanical energy and heat. The chemical energy in coal is transformed into electrical energy at a power plant.
so the answer to your question is yes.
Explain how the process of natural selection can account for
the increase in frequency of the antifreeze protein gene in the
icefish population.
Answers
The antifreeze molecules allow icefish to live in subfreezing water by filling voids in existing small ice crystals and preventing the annexe of more ice molecules. Ice crystal development is thus effectively prevented.
Where are antifreeze proteins found?Antifreeze proteins (AFPs) are natural antifreeze components initially seen in polar fish; AFPs can attach to ice and thereafter inhibit the development of the ice crystals. Fish can inhabit (−0.7 °C) of their blood serum by the integrity of AFPs.
Thus, this could be the answer.
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(10.03 MC)
What is a similarity between a plant's response to light and to gravity?
Answers
Answer:
Plants respond directly to Earth's gravitational attraction, and also to light. Stems grow upward, or away from the center of Earth, and towards light. Roots grow downward, or towards the center of Earth, and away from light. These responses to external stimuli are called tropisms
according to the studies of Mendel if a recessive gene and a rose is white when cross with a rose carrying the dominant gene red which of the following predictions is correct?
The crossed rose will be pink
The crossed rose will be white
it is impossible to make a prediction according to Mendels studies
The crossed rose will be red
Answers
Answer:
the crossed rose will be red
Explanation:
the red gene is the dominant gene and will be inherited
What are muscles' contractile units that are located within the myofibrils called?
A) fasciculi B)sarcomeres
C) myofilaments
D) tendons
Answers
Answer:
Sarcomere
Explanation:
Bioswales A) Traveling with more than one person in a single vehicle
Bioretention B) Natural channels designed to collect runoff and remove debris and pollution
Compost C) Collecting water into natural buffer areas of vegetation or grass
Carpool D) Organic material that can be added to soil to help plants grow
Answers
1-c, 2-b, 3-d, 4-a. is the correct sequence of this match the column answer.
What do you mean by carpool?Carpooling is the practice of sharing car rides so that more than one person can travel in the same vehicle and avoids any need for others to drive themselves to a destination. Carpooling decreases each person's travel costs, such as gasoline, tolls, and the stress of driving, by having multiple people use one vehicle.
Bioswales- Collecting water into natural buffer areas of vegetation or grass
Bioretention - Natural channels designed to collect runoff and remove debris and pollution.
Compost - Organic material that can be added to soil to help plants grow.
Carpool- Traveling with more than one person in a single vehicle.
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which process involve the production if identical daughter cells
Answers
Answer:
[tex]\huge\boxed{\sf Mitosis}[/tex]
Explanation:
Mitosis:The process in which a cell splits into two identical daughter cells is called Mitosis.Each daughter cells have the same number of chromosomes as the parent cell.There are 4 main phases in mitosis.ProphaseMetaphaseAnaphaseTelophase[tex]\rule[225]{225}{2}[/tex]
What effect would each type of prevailing wind have on the
land it crosses? I
(a) a prevailing wind coming from the North Pole
(b) a prevailing wind coming from the ocean
Answers
A prevailing wind coming from the North Pole would each type of prevailing wind have on the land it crosses.
What are the three different kinds of prevailing winds?
The trade winds, prevailing westerlies, and polar easterlies are the three predominant wind belts connected with these cells.
Although prevailing winds frequently come from the north sea and provide moisture to the land, they can also bring moisture to the land. There is no moisture or water involved when wind comes from a land location. This means that the winds bring more dry air into the atmosphere, reducing the likelihood of rain.
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match each hyposthesis for how the moon formed with the statement that best descibes it
Answers
Giant Impact Theory: The Moon was formed by a collision between Earth and a planet the size of Mars.
Colliding planetesimal Hypothesis: Planetesimals collided and merged to form the Moon.
Capture Hypothesis: As it passed past, Earth's gravity locked the Moon into orbit.
Accretion Hypothesis: The Moon was produced from the same material cloud that created the Earth.
According to scientists, the following are the recognized theories of lunar formation:
What is giant impact theory?According to this idea, a Mars-sized object named Theia collided with Earth, leaving a large portion of the planet to float in space, eventually forming the Moon. This is the most widely accepted idea of all since the Moon is moving away from Earth and its rocks are fairly similar to those of Earth.
1: According to this idea, the Moon was born somewhere else and was drawn into Earth's orbit by its gravity as it passed by.
2. Capture Hypothesis: According to this idea, the Moon and Earth arose from the same cloud of material at the same time.
3. Accretion Hypothesis: According to this idea, a vast number of small rocky objects known as planetesimals crashed and merged over a long period of time.
4. Colliding planetesimal Hypothesis: According to this idea, the Moon was formed by a huge number of small rocky objects known as planetesimals colliding and combining over a long period of time.
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Which of the
following is the major drawback of wind energy?
•Wind machines release harmful toxins.
• Wind is a nonrenewable energy source.
•Wind machines are harmful to the environment.
•Wind machines only work when wind is blowing.
Answers
When fertilization occurs, one half of the dna comes from the ____ and one half from the ______
Answers
Answer:
mother.....father
Explanation:
mother.....father
Which of these nutrients can be found in all organic compounds?
ion
Answers
Answer: Therefore, the organic nutrients are carbohydrates, lipids, proteins and vitamins. These nutrients are important for energy. Carbon is the element found in all organic compounds.
how are chimpanzees and sunflowers similar?
(im asking this cause i cant figure it out and im super confused and this is for my science class)
Answers
Answer:
They are similar because they are both related to each other.
Explanation:
During alcohol fermentation what is converted into ethanol
Answers
Answer:
Alcoholic fermentation is a complex biochemical process during
which yeasts convert sugars to ethanol, carbon dioxide, and other
metabolic byproducts that contribute to the chemical composition
and sensorial properties of the fermented foodstuffs.
When cells are dividing it is important to understand that they have to move chromosomes equally to both new cells based on this illustration describe what is a chromosome made of
Answers
Answer:
A chromosome is made out of DNA and proteins.
Explanation:
We can see the labels on the image, with the DNA and proteins inside the chromosomes.
Before using any chemical in the lab, why should one first read the Material Safety Data Sheet (MSDS)?
The MSDS provides information on safe handling of the chemical.
The MSDS explains where the chemical can be purchased.
The MSDS provides the chemical formula for the substance.
The MSDS describes how the chemical will react with other substances.
Answers
You should read the Material Safety Data Sheet (MSDS) first because MSDS provides information on the safe handling of the chemical.first alternative.
What is on the material safety data sheet?The MSDS lists the hazardous ingredients of a product, its physical and chemical characteristics (e.g. flammability, explosive properties), its effect on human health.
With this information, we can conclude that you should read the Material Safety Data Sheet (MSDS) first because MSDS provides information on the safe handling of the chemical.
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(c) Wheat is another member of the grass family. Wheat grain is used to produce flour.
The mass of grain is sometimes used as a measure of the amount of photosynthesis
which has taken place in the wheat plant. However, it is better to use the mass of the
whole plant as the measure.
Explain why.
Answers
It is better to use the mass of the whole plant as the photosynthetic measure because grains only represent a fraction of the weight.
What is photosynthesis?Photosynthesis is a series of chemical reactions that plants use to produce carbohydrates (biomass) by using light energy.
Photosynthesis is responsible to generate all plant biomass, including the comestible fraction of the plant.
In conclusion, it is better to use the mass of the whole plant as the photosynthetic measure because grains only represent a fraction of the weight.
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Evidence of evolution
Answers
Natural selection has to do with organisms being best suited for their environment surviving and reproducing more often.
What is natural selection?It is a process by which living organisms evolve.
The natural selection theory was proposed by Darwin. It states that organisms with traits that enable them to adapt better to the environment survive better and contribute more to the future population.
In the process of reproduction, the adaptive traits are passed to future generations. Thus, the future generation would be made up of individuals with adaptive traits.
Weak individuals without the adaptive traits gradually fade off from the population.
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