April 21, 2014

Homework Help: 7th grade Science

Posted by Gabby on Wednesday, May 1, 2013 at 4:46pm.

Which of these sources of energy is NOT renewable? (1 point)

solar power
hydroelectric power
natural gas

Air can be polluted by ____. (1 point)

tiny particles of soot
carbon monoxide
sulfuric acid
all of the above

Which of the following can cause acid precipitation? (1 point)

the use of solar panels
the use of hydroelectricity
the use of coal
all of the above

Of the following, which helps conserve natural resources? (1 point)

using a cloth shopping bag instead of a paper bag
riding your bike on short trips around town
planting trees in your front yard
all of the above

All of the following are fossil fuels EXCEPT ____. (1 point)

natural gas

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