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Oceans 320 Midterm Questions and Correct Answers the Latest Update
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Oceans 320 Midterm Questions and
Correct Answers the Latest Update
According to the video "Pesticides -DDT-Rachel Carson-Silent Springs" what
was Rachel Carson's main goal in writing her book "Silent Springs" in 1962?
✓ To question the use of DDT through research and to let people know that DDT and
the chemicals within it are harmful to the environment and to the living creatures
within it, including humans.
According to the article "How Many People Have Ever Lived on Earth?", from
1800 C.E population growth continued from 1 billion to 7.5 billion present day,
this was due to?
✓ Advances in medication and nutrition
According to the "The Great Acceleration" from the International Geosphere-
Biosphere Programme, the domino effect describes how a single human
interaction can have multiple effects on the Earth. Which of the following is a
false effect of fossil fuel combustion?
✓ The additional carbon dioxide in the atmosphere is causing the ocean to become
more basic.
According to the article "How Plastic Cleanup Threatens the Ocean's Living
Islands", which of the following best describes the influence of the Ocean
Cleanup Project?
✓ Organisms like blue sea dragons are susceptible to physical damage from impact of
the ocean current and the barriers
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HOW DO PCBs GET INTO THE ENVIRONMENT?
✓ - PCBs spills and leaks from electrical equipment such as transformers, capacitors or
industrial equipment such as hydraulic lifters
✓ - PCBs in gas dust, transported to water and soil environments by dry deposition
and wet deposition (eg rain, snow) or transported by insects penetrating the soil.
✓ - Due to its large size and little water solubility, PCBs tend to separate from the
aqueous phase and adsorb on the surface of soil, sediment or suspended colloidal
particles.
✓ (all of the above)
The Ozone layer seems to be thinning because
✓ Human industrial activity has put gases into the atmosphere that attack O3
molecules.
According to the article "The trajectory of the Anthropocene: The Great
Acceleration", When distinguishing how much a country affects the global
climate due to its emissions of greenhouse gases, it is important to correlate its
emissions with what other feature(s) about the country?
✓ - Primary Energy Use
✓ - GDP
Today, nearly 40 years after DDT was banned in the U.S., we continue to live
with its long-lasting effects. Which one is not the long-lasting effects of DDT?
✓ DDT can effectively protect crops.
DDT (dichloro-diphenyl-trichloroethane) was widely used in the 1940s and 1950s
for a variety of reasons. Choose the reason below that was NOT a common use
for DDT
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