Answer:
Each cell has a unique chemical composition
Explanation:
All the other answers are apart of the modern cell theory.
Thermal energy could be an answer
Answer:
Explanation:
The nitrogen cycle is an important cycle to the atmosphere. Nitrogen is an essential part of biological molecules such as proteins and nucleic acid, which makes nitrogen essential for all living organisms. Nitrogen makes up 78 percent of the atmosphere.
the answer is b ..........
Explanation:
b
C. The material for it is super expensive and sometimes fragile, which sucks, but it's true.
