An example of source reduction is making a product lightweight.
Answer the following statement true (T) or false (F)
True
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Air pressure is not dependent upon
A) the speed of air molecules. B) the number of air molecules. C) the average mass of air molecules. D) the element distribution among air molecules. E) none of the above
Which one of the following is not an example of use of biomass energy of a forest?
A) Indigenous peoples harvest tagua nuts from trees in a rain forest, carve them into animal sculptures, and sell them in the local market to tourists. B) While hiking through a forest in the Appalachian Mountains, some college students gather dead branches from the ground to make a fire for cooking dinner. C) Native people living on the Brazilian coast earn money by cutting mangrove trees and converting the wood into charcoal. D) In downstate Illinois, a farmer cuts up dead standing trees from a forest on his property and delivers the firewood to people living in the suburbs of St. Louis.
Earth’s magnetic field protects Earth from some of the
a. ?pollutants found in the atmosphere. b. ?dangerous ozone present in the atmosphere. c. ?dangerous gamma rays emitted by the Sun. d. ?ultraviolet radiation. e. ?particles emitted by the Sun in the form of solar winds and storms.
Clay is a facilitator for mass wasting because clay ________
A) particles are so small B) absorbs water C) has solution cavities D) dissolves when wet E) particles are larger than sand