If you hit your head hard possibly. if just playing and running no.
True, a lot of cultivated fields use fertilizers that can be harmful to fish
C.
The force the wind exerts on the surface of the rock while it blows past it can cause it to erode into irregular shapes.
the answer is their cells grow more rapidly than the surroundings cells
<span>In table or Excel, it's merging or combining.
In biology, cells generally don't combine, they split (mother cells splits into two daughter cells)</span>
