You will not be able to see a rainbow if the Sun is greater than ________° above the horizon
Fill in the blank(s) with correct word
42
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Why is photosynthesis inhibited at the very top layer of the ocean surface?
a. The salinity is too high. b. There is too much light. c. Oxygen is too low. d. Oxygen is too high. e. There are too many plankton in the water.
Someone has offered you shares in a sure-shot wildcat oil-drilling venture in the Sierra Nevada of
California. Which of the following is the most important reason you should reject his shady offer? a. The Sierra Nevada is composed of granitic and metamorphic rocks. b. There is no prior oil or gas production in California. c. Drilling is prohibited in the entire Sierra Nevada because it is all national forest. d. Oil and gas production only occurs at present day plate boundaries. e. Movement along the San Andreas fault has caused all existing oil to leak to the surface.
The rate of plate motion was probably slowest in the Archean Eon
Indicate whether the statement is true or false
A(n) ________ climate is known for lesser seasonal extremes of temperature than its land counterpart
What will be an ideal response?