Robert Hooke was the first person to coin the term cells and stated that they looked like a bunch of small rooms, hence the name (it basically translates to small rooms). His work inspired others and the cell theory was made by Schlieden and Schwann.
Sorry if this is incorrect, but I hope it helps :)
Answer:
The correct answer is B
Explanation:
Mitochondria are membrane-bound cellular organelles that are found in eukaryotic plant and animal cells that produce high energy compounds (called ATP) that are responsible for cellular activities.
NOTE: ATP (adenosine triphosphate) is described as the unit for energy in biology, hence the answer is B
For the first one is 1 and the other one is gaseous water
They help an environment because they create an ecosystem allowing animals to thrive and live a lifecycle with the resources they need.