Answer:
Abiotic
Explanation: Water is not a living thing, therefore water is an abiotic factor.
The correct answer choice would be B. 4 acetyl CoA enter the citric acid cycle.
A/Cell membranes and cell walls are selectively permeable and aid in communication.
Explanation:
Cell Membranes or cell wall have phospholipid bi layer which functions
as a selectively permeable barrier that separates an internal
environment from an external one. They are selective permeable through
passive process (concentration gradient) allowing certain molecule
diffuse into cells
Igneous rock
(molten in earth's crust)
sedimentary
Microscopic pores on a plant, called stomata, allow carbon dioxide to enter. However, closing stomata is one of the best ways in which a plant can conserve water.
