Why was the concern over global cooling replaced with a concern over global warming?
a.
the science community needed a cause to frighten the general population.
b.
steady surface temperature increases were noted between the 1970’s and 90’s.
c.
air pollution only became a concern in the 1980’s.
d.
scientists observed severe ocean acidification.

In general, characteristics that an organism survive and reproduce become more common in a population over time. what mechanism of evolution cause this change?

Which statements best describe monsoons? check all that apply. they force cool, moist air from oceans to rise. they are winds that blow in the opposite direction of a normal wind. they bring rain in the summer and drought in the winter they increase rainfall in south asia, africa, and australia. they influence precipitation as wind moves near a mountain.

Which group of protists would be most likely to have cilia as adults and why? (1 point)the sporozoan protists would since they have to spread their spores around. the heterotrophic protists would since they use them to gather food. the parasitic protists would since they need to find other organisms to attack. the autotrophic protists would since they must move to find light.