The correct answer is D, water.
Answer:
Simple.
Explanation:
The water molecules that makes the cold water stay down separate and it always stay down and the hot water that goes up. The water molecules moves very fast and it goes up into the air or evaporation.
Answer:
Its likw your try to work things out or like get use to it or learn
Explanation:
Answer:
option D. and B. and C.
Explanation:
option a. atmosphere contains 78% nitrogen, but it is in the crude form and very few organisms can absorb nitrogen in the atmosphere. so it is necessary for the nitrogen cycle to take place. therefore option a. is false
option b. ATP, adenosine triphosphate, contain Adenine, which has a portion of nitrogen. And nitrogen is known to be one of the main components of energy storing molecules.
option c. Nitrogen is an important part of amino acid, proteins and any of such.
option D. nitrogen is required for all organic molecules of organisms.
