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ella [17]
3 years ago
14

I don't know any idea how to submit answer​

Biology
1 answer:
masha68 [24]3 years ago
8 0

Sometimes some questions don't have a submit button. This happened to me and I know that you just have to move onto another question. Then when you find one that has an answer button you type in you answer and press the answer button for points.

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The advantage of excreting nitrogenous wastes as urea instead of ammonia is that:________ a) urea requires more water for excret
ICE Princess25 [194]

Answer: B

Explanation:

Ammonia is so toxic that it can be transported and excreted only in large volumes of very dilute solution. As a result most terrestrial animals simply don't have access to sufficient water to routine excrete ammonia.

The main advantage of urea is its very low toxicity. Animals can transport urea in the circulatory system and store it safely in high concentrations. Also much less water is loss when a given quantity of nitrogen is excreted in a concentrated solution of urea than would be in a dilute solution of ammonia.

4 0
3 years ago
Which of the following best describes mechanical advantage? *
Travka [436]

Answer:

option A is correct

.........,..

8 0
3 years ago
When free energy is released during a chemical reaction it is called what of below
Nady [450]

Answer:

an exergonic reaction

6 0
3 years ago
Can somebody say to me which cells can generate action potential and which cells can generate only electrotonic potential? And i
Nesterboy [21]

Answer:

An action potential is defined as a sudden, fast, transitory, and propagating change of the resting membrane potential. Only neurons and muscle cells are capable of generating an action potential; that property is called the excitability.

Explanation:

5 0
3 years ago
Which of the following is NOT a role of connective tissue?
Mashcka [7]

Answer:

D. ABSORPTION

Explanation:

Connective tissues are a type of tissue, made up of ground substance, fibers and cells.

Connecting tissues perform tissue support function using collagen, elastic, reticular fibers.

It is also involved in transport of substances using hemoglobin in blood for transport of nutrients and oxygen, insulating the body, storing of fuel.

7 0
3 years ago
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