Answer:I believe the answer is A
Explanation:
B and C have nothing to do with how the sun helps or is a necessity. D only talks about the life span of the sun not how it is necessary for the earth. A is the only answer that makes sense because it gives examples on how the sun helps the earth as well as human kind.
Answer:
The purpose of fungi and algae is to decompose dead plants and animals to break them down into smaller molecules that can be used by other members of the ecosystem
Explanation:
Answer:
Endomembrane system is made up of endoplasmic reticulum and Golgi apparatus. Rough endoplasmic reticulum play a key role in protein synthesis, while golgi apparatus is responsible for packaging, modification and transport of proteins to different parts of cell.
Answer:
My guess would be H₂O/ water, since osmosis is a form of passive transport and I can't see the model the question references. Gases like O₂/ oxygen, CO₂/ carbon dioxide, and simple sugars like glucose can also pass through a cell membrane with passive transport though.
cells are basic building block of living things.
