Birds because they spread seeds
bring change in the genetic basis of a population
a 25% of sodium chloride will cause the cell to burst from c.membrane. answer is b.
Alright.
So the picture is a little hard to see, so bare with me.
Evaporation is where the water is coming out of the ocean up into the air.
I think that is rain happening above the mountain? If so, that is precipitation.
The little river thing coming out of the mountain is runoff.
I cant really see much else on the picture though, so you might need someone else to help you there.