Direct proof of continental drift was made possible with measurements of _____ with _____.

A ) altitude, lasers
B ) location, sextants and chronographs
C ) location, global positioning systems [GPS]
D ) altitude, global positioning systems [GPS]


C ) location, global positioning systems [GPS]

Environmental & Atmospheric Sciences

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P waves can travel through ________.

A. gases, liquids, and solids B. liquids C. gases D. solids E. a vacuum

Environmental & Atmospheric Sciences

The DEW line was a project that established ________

Fill in the blank(s) with correct word

Environmental & Atmospheric Sciences

Earth processes can have a direct impact on humans and their built environment, just as humans and their built environment can have an impact on Earth

a. True b. False Indicate whether the statement is true or false

Environmental & Atmospheric Sciences

What percentage of energy comes from clean or modern renewable energy sources?

A) 9% B) 20% C) 14% D) 2% E) 6%

Environmental & Atmospheric Sciences