Just eight natural elements make up over 98% of the Earth's crust by weight
Indicate whether the statement is true or false
TRUE
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Use the map-view diagram of a group of tectonic plates to answer the question. Note: Not all features are shown for all boundaries.
How many tectonic plates are represented in this diagram?
A. 2 B. 3 C. 4 D. 5
Besides monitoring, what other knowledge helps geologists determine what to expect for eruptions
from a given volcano? What will be an ideal response?
Banks in Silicon Valley have long been hesitant to provide money for new software and communications firms, even though lenders elsewhere have been very willing to do so
Indicate whether the statement is true or false.
Mie scattering:
A) occurs often on hazy days. B) works best when there are few aerosols in the air. C) diminishes after volcanic eruptions. D) counters the reddening effect responsible for red sunsets and sunrises.