Most natural resources are non-renewable. What does this mean?


A limited supply exists and it cannot be replenished by natural processes as fast as it is depleted.

Environmental & Atmospheric Sciences

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How far down do downwelling and upwelling reach in the Earth?

A) to the lithosphere B) to the asthenosphere C) to the transition zone D) to the lower mantle

Environmental & Atmospheric Sciences

When electrons are shared amongst all atoms, the resulting bond is a(n) ________ bond

A) metallic B) partial C) ionic D) covalent

Environmental & Atmospheric Sciences

Cash-grain farming is associated with what part of North America?

A) The Southwest (New Mexico, Arizona). B) The Northwest (Washington, Oregon). C) The Midwest (Illinois, Iowa). D) The Coastal South (Florida, South Carolina).

Environmental & Atmospheric Sciences

How many degrees of longitude equals one hour of time?

A) 15° B) 24° C) 25° D) 45°

Environmental & Atmospheric Sciences