Hello.
The control group is the group that gets no specal treatment.
If your askiing if that statment is true it is.
Have a nice day
When the sea floor spreads or collides it creates breakages which would be ocean ridges and deep sea trenches
Well, Herbert Spencer was the first one who write about the theory of Evolution (Before it was popularized by Charles Darwin, Herbert spencer is the one that theorized survival of the fittest)
hope this helps
Migration is D, the seasonal movement of organisms between locations!
Calcitonin, secreted from the thyroid, and parathyroid hormone. Calcitonin lowers the blood calcium levels, PTH increases it.
