Diffusion is the movement of particles from an area of higher concentration to an area of lower concentration.
Answer:
Plant A is the control group.
Explanation:
Because it isn't being tested on, its the base for the experiment, something to compare the plants being tested on too.
Answer:
B. Rocks, fossils, climate
Explanation:
Rocks :it can make sense if the whole world was a whole rock the... It looks like a puzzle but with some missing pieces
Fossils:of long extinct creaters
Answer:circle pentagon rectangle
Explanation:
