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ocean 320 final Questions and Correct Answers the Latest Update
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ocean 320 final Questions and
Correct Answers the Latest Update
DDT would be characterized as this kind of molecule......
✓ chlorinated hydrocarbon
✓
After 100 years of plankton studies which used small nets to capture the tiny
floating creatures, what major plankton discovery was made in the 1990's of a
type more numerous than any other?
✓ bacterial nanoplankton
✓
As far as harmful science is concerned, which two of the following are a
combustible mix according to Carl Sagan? (select two)
✓ - power
✓ - ignorance
✓
Polyfluoroalkyl substances are commonly referred to as.....
✓ forever chemicals
✓
Most all plastic produced is designed to throw away, hence we have an ocean
plastic problem?
✓ true
✓
Which widespread southern California species was nearly wiped out by coastal
DDT?
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✓ the brown pelican
✓
Which of the following are applications of PFAS chemicals? (select all that are
true)
✓ - PFAS are used in certain types of food packaging
✓ - PFAS are found in fire fighting foam
✓ - PFAS are used in manufacturing or chemical production facilities
✓
What is true about the environmental agreement called the Montreal Protocol
as well as it's subsequent provisions? (select many)
✓ - it has to do with sustaining the ozone layer which is important to life on Earth
✓ - the agreement has resulted in the ozone layer starting to repair itself
✓ - without the agreement we would now be subjected to much more ultraviolet light
from the sun
✓ - It relates to both chlorofluorocarbons and hydrofluorocarbons
✓
What was the doubling time of human population in the last part of the 20th
century?
✓ 40 years
✓
If the ticket prices of concerts went up 10% per year how long will it take the
price to double?
✓ 7 years
✓
The current world population is near 7.97 billion
To write this in scientific notation it would be........ 7.97 X 10x
What is the exponent or power of ten represented by the "x"
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✓ 9
✓
Science is a blend of logic and _____________.
✓ imagination
✓
Human impacts can cause a domino effect which is.......?
✓ when one type of human action can trigger multiple effects
✓
The great acceleration pertains to the rapid human population increase. It has
become apparent that human driven change is effecting the rate of processes on
Earth. Choose from the following all the true statements about the "global
scale" impacts of humans? (select more than one)
✓ - the human impacts taken together in terms of extent, magnitude, rate and
simultaneity, have produced a no-analogue state in the dynamics and functioning of
the Earth system.
✓ - the human impacts operate on much faster time scales than rates of natural
variability, often by an order of magnitude or more
✓ - the human impacts are approaching or exceeding in magnitude some of the great
forces of nature
✓
Science ethical practices are guided by several factors. (select all that apply from
the following list)
✓ - accurate record keeping
✓ - peer review
✓ - openness
✓ - replication
✓
According to TC chamberlain one way of "doing science" is to........?
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