Explain the difference between weather and climate.

What will be an ideal response?


Weather consists of short-term changes in atmospheric variables such as the temperature, precipitation, wind, and barometric pressure in a given area over a period of hours or days. By contrast, climate is determined by the average weather conditions of the earth or of a particular area over periods of at least three decades.

Environmental & Atmospheric Sciences

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Use the completed chart from problem 10 and Figure 11-2 (showing the angle of incidence of the noon Sun) to estimate the percentage of radiation passing through the atmosphere to the surface at noon on June 22 at the following latitudes.

Environmental & Atmospheric Sciences

Complete the following nuclear equation: Bi ? ? + e

A) Po B) Pb C) Pb D) Th E) none of the above

Environmental & Atmospheric Sciences

The most likely total number of species on Earth is estimated to be between ________

A) 6 and 12 million B) 12 and 40 million C) 100 and 200 million D) 600 and 900 million E) 1 and 2 billion

Environmental & Atmospheric Sciences

Which of the following is most important to urban biodiversity and ecosystem services?

A) greenhouses B) urban rooftops C) window-box gardening D) trees and forested parks E) beaches

Environmental & Atmospheric Sciences