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ocean 320 final Exam Study Guide with Correct Answers

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ocean 320 final Exam Study Guide with Correct Answers DDT would be characterized as this kind of molecule...... - Answer-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...

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ocean 320 final Exam Study Guide with
Correct Answers

DDT would be characterized as this kind of molecule...... - Answer✔✔-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? - Answer✔✔-bacterial nanoplankton


As far as harmful science is concerned, which two of the following are a combustible mix

according to Carl Sagan? (select two) - Answer✔✔-- power


- ignorance


Polyfluoroalkyl substances are commonly referred to as..... - Answer✔✔-forever chemicals


Most all plastic produced is designed to throw away, hence we have an ocean plastic problem? -

Answer✔✔-true


Which widespread southern California species was nearly wiped out by coastal DDT? -

Answer✔✔-the brown pelican


Which of the following are applications of PFAS chemicals? (select all that are true) -

Answer✔✔-- PFAS are used in certain types of food packaging


- PFAS are found in fire fighting foam

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,EMILLECT 2024/2025 ACADEMIC YEAR ©2024 EMILLECT. ALL RIGHTS RESERVED. FIRST PUBLISH OCTOBER 2024.



- 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) - Answer✔✔-- 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? -

Answer✔✔-40 years


If the ticket prices of concerts went up 10% per year how long will it take the price to double? -

Answer✔✔-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" - Answer✔✔-9


Science is a blend of logic and _____________. - Answer✔✔-imagination


Human impacts can cause a domino effect which is.......? - Answer✔✔-when one type of human

action can trigger multiple effects


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, EMILLECT 2024/2025 ACADEMIC YEAR ©2024 EMILLECT. ALL RIGHTS RESERVED. FIRST PUBLISH OCTOBER 2024.



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) -

Answer✔✔-- 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) - Answer✔✔-- accurate record keeping


- peer review


- openness


- replication


According to TC chamberlain one way of "doing science" is to........? - Answer✔✔-have a

multiple working hypothesis


Which of the following is NOT one of the "ecological pressures" that can decrease an ocean

health goal status? - Answer✔✔-ocean acidification



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