Answer:
Only Water, Oxygen, Nitrogen and ammonia
Explanation:
Answer:
An example of a slow change is erosion and an example of rapid change is an earthquake.
Answer:
Water, carbon dioxide, and oxygen are among the few simple molecules that can cross the cell membrane by diffusion (or a type of diffusion known as osmosis ). Diffusion is one principle method of movement of substances within cells, as well as the method for essential small molecules to cross the cell membrane.
Explanation:
We all have a common ancestor hence we have some form of a universal genetic code