Secondary succession is most likely to occur
on a new volcanic island.
after a forest fire.
with pioneer species.
if a glacier shrinks.

Ricardo notices that when he plays soccer in the rain, his ball does not seem to go as far after a kick. what is the best scientific question that ricardo could ask about this observation? is soccer better played in the rain or sun? how does rain affect the distance a soccer ball can travel? how does rain affect the speed of a soccer ball? is soccer affected by the rain?

The chemical form of energy that is useable by the cell to do work

Which of the following particles always has a positive charge? a. electronb. neutron c. proton d. ion