Name the two geoportals maintained by the USGS.

What will be an ideal response?


Environmental & Atmospheric Sciences

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In the mid-1700s, the _________ became the dominant colonial power in North America.

A. French B. Dutch C. British D. Spanish

Environmental & Atmospheric Sciences

Would you expect to find more dissolved oxygen in polar or tropical ocean waters? Why?

A) There would be more dissolved oxygen in the tropical oceans because intense tropical storms mix up the atmospheric oxygen into the ocean water. B) There would be more dissolved oxygen in the polar oceans because the colder oxygen would "sink" and dissolve into the water. C) There would be more dissolved oxygen in the tropical oceans because the heated oxygen molecules in the air would collide with and mix into the water. D) There would be more dissolved oxygen in the polar oceans because the solubility of oxygen in water decreases with increasing temperature.

Environmental & Atmospheric Sciences

What maintains a forced wave?

A) Wavelength B) Wind C) Disturbing force D) Restoring force

Environmental & Atmospheric Sciences

The lithosphere is sometimes defined as the ________

A) crust and upper mantle B) upper and lower mantle C) lower mantle and outer core D) outer and inner core E) asthenosphere and mesosphere

Environmental & Atmospheric Sciences