1. Explain why you agree or disagree with the following proposition: The world will never run out of resources because we can use technology to find substitutes and to help us reduce resource waste
2.
A
student interested
in
studying
the
effects
of
air pollutants
on lichens (a fungus that grows on rocks) designed an experiment as follows:
He proposed to bring rocks with lichens
into the laboratory
, where he would expose them to urban air pollution. (His university was located in a major
city
area.) He then proposed to circulate outside air into the laboratory and measure the effects. What is wrong with this experiment design?
How
would you design a better experiment?
A
student interested
in
studying
the
effects
of
air pollutants
on lichens (a fungus that grows on rocks) designed an experiment as follows:
He proposed to bring rocks with lichens
into the laboratory
, where he would expose them to urban air pollution. (His university was located in a major
city
area.) He then proposed to circulate outside air into the laboratory and measure the effects. What is wrong with this experiment design?
How
would you design a better experiment?
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