What is the average global ozone concentration?
A. 100 Dobson units
B. 300 Dobson units
C. 200 Dobson units
Answer: B
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How can a Sandstone form next to a Claystone (Shale) at the same time?
a. Decay of organic matter in soil b. Hydrolysis c. Variations in Energy (i.e., calm water versus turbulent water) d. Crystal settling
Describe the formation and typical characteristics of a floodplain
What will be an ideal response?
Earth's primordial atmosphere most likely included ________
A) ammonia, oxygen, carbon dioxide, and water vapor B) carbon dioxide, water vapor, sulfur dioxide, and methane C) hydrogen, helium, and oxygen D) nitrogen, ozone, and sulfur dioxide
If you live in an area that was flooded by the 100-year flood last year, you can conclude that
(a) the next 100-year flood will occur in exactly 100 years. (b) the next 100-year flood will occur in exactly 99 years. (c) you could be flooded by the 100 year flood again this year. (d) you can expect a 50 year flood in exactly 24 years.