Which happens during the second trimester?
O A. The vocal cords develop.
O B. The heart starts working.
C. Rhythmic breathing starts.
D. Blood begins to form.

What did hunter gathers do to alter the environment?

Asap. this question is 100 points if you answer it question: describe the basic relationship between ocean depth and temperature seen in the graph

The is an estimate of the fewest number of organisms a population needs to avoid extinction. this measurement will most if the number of offspring each female in the population produces increases. if the population's this measurement will most likely increase. 1 population density, minimum viable population, carrying capacity 2 decrease, be unaffected, increase 3 death rate increase, dead rate decrease