Answer:
Nitrogen is an essential nutrient for plants and a significant component of proteins, which all animals need to grow, reproduce and survive. The nitrogen cycle converts nitrogen into compounds that plants and animals can use. Humans and Animals Need Nitrogen All human tissue – muscles, skin, hair, nails and blood – contains protein.
The answer is D. Cenozoic
Answers:
This indicates that Group of answer choices both photosynthesis and respiration were occurring at approximately the same levels
Explanation:
This is because for oxygen to be abundance more carbondioxide I'd released and photosynthesis take place more.
In, photosynthesis carbondioxide is used with water in the presence of light energy and chlorophyll to produce glucose and oxygen. Oxygen us produced and this oxygen is used in cellular respiration to give out carbondioxide as by product.
