Which of the following is an example of biomass?
A. crude oil
B. solar energy
C. synfuels
D. petroleum
E. agricultural waste
Answer: E
Environmental & Atmospheric Sciences
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How do water molecules below the ocean surface move as a waves passes by?
A) up and down B) in an elliptical path C) toward shore D) in a circular path
Environmental & Atmospheric Sciences
When was the Younger Dryas period?
A. about 1,200 years ago B. about 120,000 years ago C. about 120 years ago D. about 12,000 years ago
Environmental & Atmospheric Sciences
When an electron passes through the magnetic field of a horseshoe magnet its
A. direction of motion is changed. B. speed is increased. C. both of these D. none of the above
Environmental & Atmospheric Sciences
What property of soil affects how well soil retains and transmits air and water to plants?
A. hardness B. texture C. albedo D. percentage of organic material
Environmental & Atmospheric Sciences