1. The action that would control bleeding through the use of pressure points is B. push the main artery against a bone.
2. A. Confusion is a sign of heatstroke.
Broccoli is found in it
hope it helps
I'd have to say it'd be the dramatic increase in the diversity of the population gene pool.The increased diversity can lead, in time, to a dramatic increase in the number of distinct species in an environment.