One important effect of the lowering of sea levels during earth's geologic history has been
a) the breakup of the continents.
b) the loss of fresh water sources.
c) the disappearance of inland seas.
d) the formation of new coral reefs.

Ricardo notices that when he plays soccer in the rain, his ball does not seem to go as far after a kick. what is the best scientific question that ricardo could ask about this observation? is soccer better played in the rain or sun? how does rain affect the distance a soccer ball can travel? how does rain affect the speed of a soccer ball? is soccer affected by the rain?

Which hormone is used by both males and female?

Which of the following types of reactions would decrease the entropy within a cell? a. dehydration reaction, b. hydrolysis, c. respiration, d. digestion, e. catabolism.