Answer:
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. Gas exchange in gills and lungs operates by this process. Carbon dioxide is produced by all cells as a result of cellular metabolic processes.
Explanation:
Answer:
A meteorite?
Explanation:
It was small and hot because friction from falling to Earth burned it up.
Can you add more detail? It says whose statement uses the correct term, but there are no statements.
Inversely. The longer the string, the longer it takes for each swing, therefore less number of swings in 10 seconds will be allowed.