OCEAN 320 Final Exam | Questions with Verified Answers
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Course
OCEAN 320
Institution
OCEAN 320
OCEAN 320 Final Exam | Questions with Verified Answers 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...
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?
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"
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........?
have a multiple working hypothesis
Which of the following is NOT one of the "ecological pressures" that can decrease an
ocean health goal status?
ocean acidification
The Global Ocean Health Index uses 4 categories of pollution. Sewage might fall under
which two categories?
-Pathogens
-Nutrients
What does "ppm" stand for? ..really?
parts per million
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