Drop a rock from a 5-m height and it accelerates at 10 m/s2 and strikes the ground 1 s later. Drop the same rock from a height of 2.5 m and its acceleration of fall is
A) about half.
B) the same.
C) twice as much.
B
Environmental & Atmospheric Sciences
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____________________ is the process of estimating how much harm a hazard can cause to human health or the environment.
Fill in the blank(s) with the appropriate word(s).
Environmental & Atmospheric Sciences
The relationship between honeybees and flowers is
A. competition. B. commensalism. C. parasitism. D. mutualism. E. predation.
Environmental & Atmospheric Sciences
The feature in the photograph below is a(n)
A) drumlin.
B) roche moutonnée.
C) esker.
D) kame.
Environmental & Atmospheric Sciences
The area of conflict between colder and warmer air masses in the subpolar region
A) is termed the polar front. B) is unrelated to the formation of cyclonic storms. C) is most distinctive during summer months in each respective hemisphere. D) is referred to as the subtropical contact zone.
Environmental & Atmospheric Sciences