Based on the study of past climates, we can conclude that future climates will be ____
a. variable
b. continually colder
c. continually warmer
d. nearly stable
a
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Rank the following in order of increasing strength.
A. hurricane, tropical depression, tropical disturbance, and tropical storm B. tropical depression, tropical storm, tropical disturbance, and hurricane C. tropical disturbance, tropical depression, tropical storm, and hurricane D. hurricane, tropical depression, tropical storm, and tropical disturbance E. tropical storm, tropical depression, tropical disturbance, and hurricane
Although Homo erectus had migrated outside of Africa, some scientists believe that modern
humans evolved in one African location, and then migrated from Africa. Indicate whether the statement is true or false.
The chief limiting factor to the success of most trout species is
A. the dissolved oxygen content in water. B. the amount of plant biomass. C. the ability to reproduce. D. All of these are correct.
The general direction of a comet's tail is
A. toward the Sun. B. away from the Sun.