The Cenozoic Era has been 66 million years long. This is only ____________________ percent of all geologic time. (Use one decimal point in your answer.)
Fill in the blank(s) with correct word
1.4
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What geologic hazards do humans face around the world? Discuss the reasons for differences in the experience of these geologic hazards around the world and also the potential benefits to humans from hazards such as volcanism.
What will be an ideal response?
Thick salt deposits have been explained by evaporation in silled (also called “barrier”) basins
a. True b. False
A sea breeze circulation will reverse direction and become a land breeze
a. ?once every few days. b. ?at the beginning and the end of the summer. c. ?several times per day. d. ?once per day. e. ?once a month.
Human ancestral remains appear quite late in the geologic record, within only the last 3 to 4 million years.
Answer the following statement true (T) or false (F)