A supercontinent that existed during the Neoproterozoic (i.e., between 2500 and 2800 million
years ago):
a. DNA d. Pangaea
b. guyot e. Rodinia
c. continental volcanic arc
E
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As the temperature rises, how does this affect relative humidity?
A) The temperature rise does not affect relative humidity. B) Relative humidity decreases as temperature rises. C) Relative humidity increases as temperature rises. D) The temperature rise causes relative humidity to fluctuate.
Hygroscopic water and gravitational water are available for plant use
Indicate whether the statement is true or false
Volcanoes are created when lava cools and accumulates over time. What type of rock are volcanoes made of?
A. metamorphic rock B. sedimentary rock C. granite D. igneous rock
The deepest well that has ever been drilled on the earth is ________ deep, about 1/500th of the radius of the earth.
A. 12.3 km B. 20.7km C. 31.4 km D. 40.5 km