What percentage of land in the United States is owned by the federal government?
A. 50
B. 30
C. 10
D. 60
Answer: B
Environmental & Atmospheric Sciences
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How does the breakup of Pangaea influence the Mesozoic distribution and development of plants
and animals? What will be an ideal response?
Environmental & Atmospheric Sciences
Which essential gas is often in an unusable form in the ocean and atmosphere?
A) Nitrogen B) Oxygen C) Carbon dioxide D) All of these choices
Environmental & Atmospheric Sciences
Which of the following best represents kinetic energy converted to potential energy?
A) A windmill pumping water up into a water storage tank B) Plants capturing sunlight to produce sugars using photosynthesis C) Turning on a flashlight D) Pulling a boat up onto a shoreline
Environmental & Atmospheric Sciences
The earth formed approximately ________ years ago.
a. 13,700,000,000 b. 4,600,000,000 c. 5,000 d. 4,600,000
Environmental & Atmospheric Sciences