AnswersFL-2001340-Environmental Science B-CRCumulative Exam

Cumulative Exam — Cumulative exam Answers

50 verified answers1 views
41
Free Preview

The traditional view of mangrove forests as wastelands and unhealthy environments helped promote their degradation because _______.a.mangrove forests are unproductive, unhealthy habitatsb.people did not feel it was necessary to preserve themc.mangrove forests do not need to be preservedd.all of the above

A
A
B
B
C
C
D
D
42
Free Preview

Carbon credits are used to _______.a.rehabilitate tropical rainforestsb.reduce the emission of volatile organic compounds (VOC’s)c.regulate how much carbon dioxide a country can emitd.coordinate carbon sequestration activities

A
A
B
B
C
C
D
D
43

A population’s size is unaffected by the available resource supply.

A
T
B
F
44

Which of the following statements about change in ecosystems is true?a.Ecosystems experience change through human activity only.b.Ecosystems experience change through natural events only.c.Ecosystems experience no change.d.Ecosystems experience change through human activity and natural events.

A
A
B
B
C
C
D
D
45

Antoinette was diagnosed with hypertension, a noncommunicable disease in which her blood pressure is higher than normal. What is the most likely explanation for why she is hypertensive?

A
She had a diet high in salt intake.
B
She did not wash her hands enough.
C
She was bitten by a mosquito.
D
She was never vaccinated against hypertension.
46

A scientist measured an increase in nitrous oxide in the atmosphere. This increase would result in

A
an increase in the greenhouse effect.
B
a decrease in the greenhouse effect.
C
no change in the greenhouse effect.
D
a stabilization of the greenhouse effect.
47

How can resource conservation benefit the environment?a.Resource conservation can help preserve natural habitats.b.Resource conservation can reduce water pollution.c.Resource conservation can reduce air pollution.d.All of the above

A
A
B
B
C
C
D
D
48

Smallpox is a virus that causes a rash that then turns into painful blisters. The last known case of smallpox was in 1977. What is the best explanation for the eradication of smallpox?

A
People are exercising more than they used to.
B
Genetic testing determines who is more prone to smallpox.
C
There was an increase in antibacterial products.
D
An effective vaccine was developed.
49

Which of the following are important products of rainforests?a.timberb.pharmaceuticalsc.oxygend.all of the above

A
A
B
B
C
C
D
D
50

Which of the following is not a typical pattern found in the Earth system?a.rock cycleb.water cyclec.carbon cycled.calcium cycle

A
A
B
B
C
C
D
D

Did you find these answers helpful?