If the roof area of an average-sized home is ??? m?, how much water could
be collected from the roof of an average home in the same storm? What will be an ideal response?
a. Convert ?.? cm of rainfall to meters.
2.5 cm รท 100 cm/m = 0.025 m
b. Multiply your answer to ??a by the roof area to get the volume of
water in m?.
0.025 m x 150 m2 = 3.75 m3
c. Convert your answer to ??b to gallons.
3.75 m3 x 264 gal per m3 = 990 gal
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Most of the precipitation for the region east of the Rocky Mountains comes from:
A) modified mP air masses. B) evaporation from soils and vegetation. C) mT air masses. D) mA air masses.
Most of the countries experiencing food-security problems are in what region? (23 of the 28 countries are found here.)
A) Asia B) Middle East C) north Africa D) southeastern Europe E) sub-Saharan Africa
Tropical, subtropical hot desert climates are generally found on the eastern side of continents
Indicate whether the statement is true or false
In China, reforestation projects have been undertaken to
A. return the buffalo to the North China Plain. B. replant the rainforest in southern China. C. diminish water pollution in the Yangze River. D. halt encroachment of the Gobi and Taklamakan Deserts.