Briefly explain the principle of the mercury barometer. Mercury is relatively expensive and toxic. Why do you think mercury is used in barometers instead of another fluid such as water?
What will be an ideal response?
Answers may vary.
Environmental & Atmospheric Sciences
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If a neutral element has the following chemical notation, how many electrons does it have?carbon-13
A. 6 B. 7 C. 12 D. 13 E. none of the above
Environmental & Atmospheric Sciences
A geologist is studying a rock that is half a meter long, 325 centimeters wide, and 150 centimeters tall. What is the volume of this rock?
Environmental & Atmospheric Sciences
Rachel Carson's book silent spring focuses primarily on the environmental problems associated with ____.
a. pesticide toxicity b. overpopulation c. aquifer depletion d. invasive species
Environmental & Atmospheric Sciences
The average albedo of Earth's surface is about ________
A) 3% B) 30% C) 50% D) 67% E) 90%
Environmental & Atmospheric Sciences