A test used to measure the levels of radioactively-tagged hormones in the plasma of the blood is called .

__1__ is a climate cycle where the temperature of the __2__ ocean changes because of movements of air and ocean currents. during this period, the trade winds in the south __3__ , causing the __4__ water to move from the __5__ region to the __6__ region. 1) el nino or the monsoon 2) atlantic, indian, or pacific 3) reverse, strengthen, or weaken 4) cold or warm 5) eastern or western 6) eastern or western

What are two ways in which waves erode the land?

Facilitates growth and change in neurons and the migration of neurons to different sites in the brain