Answer:
Population is defined as a group of organisms, which belong to the same species. Example- Human population includes a group of organisms that all belong to the species sapiens
Explanation:
What was the original source of energy the earth has used?
Answer:
The energy of the sun is the original source of most of the energy found on earth.
I hope this helps you!
Answer:
The energy of the sun is the original source of most of the energy found on earth. We get solar heat energy from the sun, and sunlight can also be used to produce electricity from solar (photo-voltaic) cells. The sun heats the earth's surface and the Earth heats the air above it, causing wind.
Explanation:
*Hope this helps*
In 2-3 complete sentences, explain what this tells you about the amount of friction over each of these surfaces
Answer:
can i get a real answer i have this question too
Explanation:
Why does air on Earth not move simply in a direct path between the equator and the poles?
Answer:
Why does air on Earth not move simply in a direct path between the equator and the poles? Air does not move in direct paths because of the Coriolis effect. ... Air is deflected toward the southwest in the Northern Hemisphere and toward the northwest in the Southern Hemisphere.
Explanation:
what are building blocks of polymers
Answer:
A monomer is a type of molecule that has the ability to chemically bond with other molecules in a long chain; a polymer is a chain of an unspecified number of monomers. Essentially, monomers are the building blocks of polymers, which are more complex type of molecules.
Explanation:
Briefly describe how wind and ocean currents are created and how they affect Earth’s climate.
Answer:
ocean currents are driven by global wind systems that are fueled by energy from the sun.
Explanation: These currents transfer heat from the tropics to the polar regions, influencing local and global climate
Energy that’s produced after light reaction
I think this is the answer
Which option identifies the most likely testable question in the following scenario? Scientists breed a group of fruit flies. They record the wing type of two parent flies and their offspring. Both of the parents had “normal” wings, but only 75 percent of the 1,000 offspring has “normal” wings. The other 25 percent have “vestigial” wings. This data helps the scientist’s draw their conclusions. Are different wing types of flies heritable? OR Is wing type a sex linked trait?
Answer:The different type of wing is most likely heritable, but i'm not sure.
Explanation:
***List 3 characteristics of all living things**
***
Answer:
Cellular organization.
Reproduction.
Metabolism.
Homeostasis.
Heredity.
Response to stimuli.
Growth and development.
Adaptation through evolution.
Explanation:
three living things are
dogs, people, cats
Why football player moves to higher altitude to play before world cup??
:By training at high altitudes, athletes aim to allow their bodies to produce extra red blood cells
The enzyme carbonic anhydrase is a protein that binds to two small molecules: water and carbon dioxide. By holding the two molecules in the proper position, the enzyme allows the two molecules to react to form a product, carbonic acid. The enzyme then releases the product and becomes available to catalyze the same reaction once again. How does carbonic anhydrase change the reaction between carbon dioxide and water?
Answer:
Chemical groups on the surface of the enzyme reduce the reaction's ... 100,000 carbon dioxide and water molecules into carbonic acid every second but ... What fraction of energy available in the chemical bonds of glucose actually ... The resulting three carbon molecule, lactic acid, builds up as a waste product inside cells.
The hydrolysis of carbon dioxide into carbonic acid or bicarbonate would not occur without carbonic anhydrase. Therefore, only 15% of the carbon dioxide produced by the body would be removed from the tissues by the blood.
What is the importance of carbonic anhydrase?At least 80% of the bicarbonate transported throughout the entire kidney occurs in the proximal tubule and is mediated by proton secretion.
Bicarbonate is created when carbon dioxide is hydrated by carbonic anhydrase and subsequently dissociates into hydrogen ions and bicarbonate.
As a result, they are categorized as metalloenzymes. The enzyme helps move carbon dioxide while preserving the acid-base equilibrium.
Therefore, Similar to other epithelial, carbonic anhydrase is widely distributed in renal tissue and works to catalyze the hydration-dehydration process of CO2.
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What do the terms biosphere, geosphere, hydrosphere and atmosphere have in common?
Answer:
They are all layers that pryect the earth
Explanation:
Answer:
They are all layers of the Earth's crust.
Explanation:
Biosphere, geosphere, hydrosphere and atmosphere are similar because they all are layers of the Earth's crust that we inhabit.
Yosef is playing with a different kinds of rubber bands. Some are very narrow and some are quite wide. Yosef is curious about the rubber bands and develops the following scientific question: Does the width of a rubber brand affect how easy it is to stretch it?
He decides to develop a hypothesis to test this scientific question. What could Yosef’s hypothesis be?
Answer:
If the width of a rubber band is increased, then it will be more difficult to stretch because more force will be needed to stretch it.
Explanation:
Answer:
If a rubber band is narrow, then it will stretch more because it resists less.
Explanation:
People who tend to perceive the elements of their environment as
separate and distinct from one another are called
A Field-independent
B. Augmenters
C. Reducers
D. Field-dependent
Answer:
The correct answer is A.
Explanation:
Field independence is a cognitive style that people can manifest, it consists of the ability to isolate a certain trait that is perceived as relevant, from the context in which it is integrated, that is, field-independent people usually isolate the different parts that make up the objects or stimuli. Field-independent people are characterized by having analytical and organizational capacities, a more abstract and impersonal orientation and being autonomous in their social behavior.
can lactase enzymes digest both lactose and starch
Please help!! - 1. Is a virus a living organism? Why? 2. Why are antibiotics not good for virus infections? 3. What is the difference between an organ and an organ system? 4. What happens to the other organ systems if one organ system fail? How does this affect homeostasis? 5. What is one body system humans have? What is one body system humans DO NOT have?
Explanation:
No .because virus is molecule.
anti=against
bio=living
organ system is formed from the organs supporting each other process.
because they lost the connection.
immue system.
photosynthesis.
1. No
2. Antibiotics cannot kill viruses because viruses have different structures and replicate in a different way than bacteria.
Antibiotics work by targeting the growth machinery in bacteria (not viruses) to kill or inhibit those particular bacteria.
When you think about it structurally, it makes sense that an antibiotic could not work to kill a virus with a completely different set of replicating “machinery”.
3. An organ is a part of the body that performs a special task to help the organism live while an organ system is a collective group of organs.
4. The breakdown of a particular organ system is not supposed to cause the breakdown of another except it performs a function needed for the other organ system to function.
^^^ the image above plz help ASAP thanks :))
Answer:
CO or carbon monoxide
Explanation:
Remember the first letter each element is capitalized!
ex: Au gold, He helium
so when there are two capital letters you got your self a compound
The biotic potential of an organism describes its ability to reproduce at its maximum rate and grow to its largest size.
Select one:
True
False
Were are wolves mostly found or more common?
what are four places a scientist can go to find information about a problem
1. Collect information
2.observation
3.measure
4.communicate
Explanation:
collect
observe
communicate
What is the difference between a experimental group and a control group?
Explanation:
An experimental group, also known as a treatment group, receives the treatment whose effect researchers wish to study, whereas a control group does not. They should be identical in all other ways.
Can some please help quick!
I need to find the control group for the three experiments.
Please help I’ll give brainliest!!
Answer:
An increase in temperature.
Explanation:
When the temperature rises water evaporates much quicker than if it were just a lightsource hitting the surface of the water. It's like if where really hot outside and you had a pool.The water would start to steam up and evaporate has the temperature rose.
How is the function of the Endoplasmic Reticulum similar to a structure in a city? Give an analogy. Justify your answer. * 100 points
Answer:
The cell membrane can be compared to the school gates.
Explanation:
Cell membranes only let in specific molecules (people), large substances (old people) cannot cross it while smaller molecules like oxygen (students) can easily pass through the membrane.
Distinguish the difference between a scientific and non scientific question.
Answer:
A scientific question is one where an investigation can be designed and completed to find out the answer without having to do multiple, entirely different investigations to get there. In a word, a scientific question is testable, but a non scientific question is not.
PLEASE ITS EASY!!!!!! please
Answer:
1.group B
2.new sauce
3.amount of gas
4.the new sauce appear to work as it the amount of gas produced in 60% of the people tested.
Stem cells all have the same dna true or false
Yes, stem cells do have the same dna
Since they grow from the same plant
Answer:
true
Explanation:
please me mark as brainlist
true or false ? Cell membranes are selectively permeable, allowing only some materials to cross the cell membrane. This
property allows cells to maintain homeostasis.
Answer:
True
Explanation:
Cell membranes are selectively permeable because of the structure of the phospholipid bilayer.
This bilayer only lets certain things in because it depends on the polarity, size, and type of molecule.
For example, glucose molecules are too large to enter. But, carbon dioxide molecules can go in and out easily because of their small size.
Answer:
This statement is True
“One way that a cell maintains homeostasis is by controlling the movement of substances across the cell membrane. The lipid bilayer is selectively permeable to small, nonpolar substances. Proteins in the cell membrane include cell-surface markers, receptor proteins, enzymes, and transport proteins.”
Which statement accurately describes effective scientists? a. They try to publish as much work as possible to seem more important. b. They prefer to deal with questions that involve opinions and personal preferences. c. They are willing to believe in ideas, even if there is no supporting evidence. d. They usually accept what they hear from others. e. They are open to results that change, or even refute, a previously accepted idea.
Answer:
e. theyre open to results that hanfe or even refute a perviously accepted idea.
Below are the seven properties of water that make life possible on Earth. Describe five of these properties and provide an example of each: Hydrogen bonding, cohesion and adhesion, surface tension, heat of vaporization, specific heat, density, and universal solvent
Answer:
Properties of water are given below.
Explanation:
Hydrogen bonding is an important bond which occurs between two water molecules which make them sticky due to partial positive charge on hydrogen and partial negative charge on oxygen. Cohesion and adhesion occurs due to the attraction of partial positive and partial negative charges of hydrogen and oxygen atom. Density of water increases with the decrease in temperature and maximum at 4 degree Celsius and after further decrease in temperature, decrease in density occurs which is a unique property of water. water is a universal solvent because a large amount of solutes can be dissolved in it. Heat of vaporization refers to the amount of heat required to transform liquid into vapors.Water has a heat of vaporization about 40.65 kJ/mol.
Which of the following are theories? Select all that apply.
A. Detergent type does not affect how well a t-shirt stain is removed.
B. Earth's crust is divided into plates that are in constant motion.
C. The rate of plant growth is dependent on how much light is present.
D. If a bucket of water is left uncovered, then it will evaporate faster.
E. All matter consists of tiny particles called atoms.
Answer:
A
Explanation:
Because b,c,d can be proven
while a is not proven
The theory is detergent type does not affect how well a t-shirt stain is removed. Thus Option A is correct.
What is Theory ?A principle formed to explain things, certain phenomena, or fact which was validated previously known as Theory.
It can be speculation of any assumption which need to be proved.
Further more an ideal theory must be an authoritative principle, which is a result of continuous observation, proper examination, analysis logically accurate explanation of a specific phenomenon.
The characteristics for ideal theory are, it must possess the quality and authenticity.
A wide acceptance by people and the quality should be evaluated correctly.
It must solve the problems potentially and expert verified, confirmed hypothesis.
It must have the ability to analyze the past events, have some descriptive approach for a particular topic.
Thus Option A is correct.
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What is the concentration of the CaCl2 (calcium chloride) salt solution if you are given 3.2g of CaCl2 and you add 4ml of water? The units for your answer should be mg/ml.
Answer:
800 mg/ml
Explanation:
Recall that: 1 g = 1000 mg.
Hence
3.2 g of CaCl2 = 3.2 x 1000 = 3200 mg CaCl2
mass concentration of CaCl2 = mass of CaCl2/volume of water
= 3200/4 (mg/ml)
= 800 mg/ml
Therefore, the concentration (in mg/ml) of CaCl salt solution formed by dissolving 3.2g of CaCl2 in 4 ml of water is 800 mg/ml.
The concentration of calcium chloride solution will be 800 mg/ml.
The calculation of the concentration of CaCl₂:Based on the given information,
The mass of CaCl₂ given is 3.2 grams. The volume of water is 4 ml.Now the concentration of CaCl₂ can be determined as,
Concentration = Mass/Volume
Now putting the values we get,
[tex]Conc = \frac{3.2 g}{4 ml} \\Conc = 0.8 g/ml\\Conc = 0.8 g * 1000 mg/ml\\Conc = 800 mg/ml[/tex]
Thus, the concentration of CaCl₂ is 800 mg/ml.
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