What has happened to the amount of CO2 in the atmosphere over the past 200 years?
A. decreasing
B. staying the same
C. increasing
Answer: C
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The two most recent epochs of the Neogene Period, from oldest to youngest, are the ____
a. Pleistocene and Pliocene b. Holocene and Pleistocene c. Holocene and Pliocene d. Pleistocene and Holocene e. Holocene and Paleocene
A chart that plots how air temperature has changed over the past five days at a given station is a(n) ____
A) sounding B) meteogram C) atmospheric model D) ensemble forecast
The East Coast of the United States has the highest risk of earthquakes
a. True b. False Indicate whether the statement is true or false
Which of the following statements about ozone is FALSE?
A) Ozone in the lower atmosphere protects human health. B) Stratospheric ozone absorbs harmful radiation. C) Tropospheric ozone is a component of photochemical smog. D) Ozone in the stratosphere protects human health.