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AveGali [126]
3 years ago
7

Dichotomous keys ask

Biology
1 answer:
astraxan [27]3 years ago
3 0
Wut I don’t get it : /
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What are some similarities and differences between oligopolies and monopolies?
iris [78.8K]
They both exhibit imperfect competition in that oligopoly has few sellers while monopoly has many sellers.

Or you can say

Firms have some level of control over prices in both competitive structures.
5 0
3 years ago
The movement of glucose across the cell membrane through facilitated diffusion is a form of passive transport because
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Answer:

The movement of glucose across the cell membrane through facilitated diffusion one of the form of passive transport because it does not require the energy to transport the glucose molecule across the cell membrane and the transport is along the concentration gradient.

In facilitated diffusion the passage of molecules if facilitated by a carrier protein or a channel protein. The rate of transport of molecules in facilitated diffusion is greater than simple diffusion.  

Through facilitated diffusion, some polar and charged molecules can cross the cell membrane without the expense of energy.

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4 years ago
Eutrophication can cause excess algae growth. Which of the following describes how nutrients contribute to eutrophication?
dusya [7]

Eutrophication of water bodies like lake, pond, shallow stretches of river, etc. is the phenomenon where excess growth of vegetation on the surface of the water takes place. This excess growth results in the clouding of the water, depletion of dissolved oxygen in water, and the death of aquatic organisms. The primary reason for the cause of eutrophication is the presence of nutrients in excess amounts in the water. The nutrients B. come from fertilizer and sewage runoff.

5 0
3 years ago
All living things contain carbon.which of the following statements is true about carbon atoms?
vfiekz [6]

I. Each carbon atom can form single bonds with up to four other carbon atoms. II. Each carbon atom can form double bonds with up to two other carbon atoms. III. Carbon atoms can join together to form chains or rings. IV. A single molecule of some compounds can contain thousands of carbon atoms.

Answer:

All the given choices

Explanation:

Carbon is a very interesting element which is the backbone of most organic compounds.

Organic compounds are made up of carbon. Carbon forms a wide range of compound due to the following properties;

  • An atom of carbon has 4 valence electrons and can bond with 4 other carbon.
  • Carbon can form single, double and triple covalent bonds.
  • They can join together to form rings or chains.
6 0
3 years ago
Which compound has the highest fuel value ? Why?​
Semenov [28]

Answer:

Hydrogen gas has the highest calorific value of 150 KJ/g among all the fuels. So, hydrogen gas is considered to be an extremely good fuel.

Explanation:

6 0
3 years ago
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