Answer:
the smallest structural and functional unit of an organism, typically microscopic and consisting of cytoplasm and a nucleus enclosed in a membrane. Microscopic organisms typically consist of a single cell, which is either eukaryotic or prokaryotic.
Explanation:
Answer:
Air Pressure
Explanation:
Air pressure is the only option here related to weight. And Air Pressure does get lower the higher the airplane goes.
I believe it would be less ATP generated during cellular respiration. This is because Mitochondria are the "generators" of the cell, and create ATP (which powers the cell's metabolic activities) in exchange for oxygen and nutrients.
Hope this helps :)
The correct answer is true, there has always been some sort of life on Earth whether it be bacteria,plants,animals etc