Answer:
the answers are a&d sorry if #1 isnt correct
Explanation:
Answer:
id say b. cells are the basic unit stricture and function of all living things.
Explanation:
the kangaroo uses his muscles and his muscles are made of cells
Answer:
The valves' main job is to keep the blood moving in one direction – back up towards the heart. When the valve is open, blood freely flows upward towards the heart and when the valves are closed, blood cannot flow back
Floods because more evaporation means more water in the clouds.