How can we determine when an ice age has ended? A. When the thermocline evens out and the surface waters of the ocean warm.
B. Hadley convection cells reverse direction and bring warm air closer to the surface.
C. When the ice sheets in Greenland and Antarctica disappear completely.
D. When the ice sheets retreat from the equator to Greenland and Antarctica.

Which best describes how parents affect the genotype of a child? a. the parents decide what to feed their child b. the parents choose whether to educate their child c. the parents allow their child to stay up late d. the parents pass along genes to the child

Differences between compact bone and cartilage

Can bacteria reproduce in a way such that when you start out with two bacteria, you get five bacteria? why or why not? * a. yes, because bacteria reproduce sexually, and can produce any number of offspring, just as humans do. b. no, because bacteria grow at an exponential rate. c. no, because when bacteria reproduce, they split into two parts, and two bacteria splitting would result in four bacteria.