The diversity of birds has steadily decreased over the Cenozoic, likely due to delayed skeletal adaptations
a. True
b. False
False
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Which of the following statements describes how frontal fog most commonly forms?
A. It forms as warm raindrops fall into a layer of colder air. B. It forms as cold raindrops fall into a layer of warmer air. C. It forms as warm raindrops fall into a layer of windy air. D. It forms as cold raindrops fall into a layer of windy air.
Which of the following forces can influence wind direction?
A. potential force B. magnetic force C. pressure gradient force D. kinetic force
Compared to the evolutionary long-term historical average rate of extinction, extinction rates today are
A) lower. B) about the same. C) higher. D) changing from higher to lower rates in the past century.
Air that resists vertical movement is said to be ________
A) unstable B) stable C) cyclonic D) anticyclonic E) adiabatic