A student wants to look under a heavy rock. Which simple machine would be BEST to use to lift the rock?
A: Lever

Which physical structure would best help a bear to survive a winter in New York State?
A: thick fur

Where are proteins synthesized?
A: ribosomes

Fires in forests from lightning rid the forest of dead branches and leaves. If the trees survive and the soil remains intact, the forest will experience regrowth to its climax state by which process?
A:
succession