Only about 10-20 percent of an iceberg sits above the waterline.
a. true
b. false
a. true
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What did Tuttle and Bowen observe in their experiment that helps geologists try to understand how magma is made?
What will be an ideal response?
"Horst," meaning "nest," is a suitable word for the rock formation it describes because
A) these rock formations are also in ditches or valleys, like nests. B) these rock formations are typically in protected valleys. C) these rock formations are pushed up to a high place, and horsts are nests in high places. D) these rock formations are circular and cupped like nests.
Like the typical European city, the skyline of Naples, Italy is dominated by mosques
Indicate whether the statement is true or false
Our Sun is current in the ________ stage of solar evolution.
A) variable B) giant C) main sequence star D) planetary nebulae