Question 1

1. Which of the following statements the BEST describes the enhanced greenhouse effect?

Accepted Answer

It happens due to the increased amount of greenhouse gases brought by human activities.

Answer

It forms a blanket in the atmosphere wherein heat from the earth is trapped.

Answer

It is the result of the trapping of heat by the greenhouse gases in the atmosphere.

Answer

It is the naturally occurring phenomenon the helps maintain global temperature.

Question 2

2. Which statement is TRUE about global warming?

Accepted Answer

It is the result of enhanced greenhouse effect due to large amount of greenhouse gases concentrated in the atmosphere.

Answer

It is a natural process of warming the earth.

Answer

It is a phenomenon that helps maintain global temperature.

Answer

It is the result of heat (infrared radiation) that is trapped.

Question 3

3. Which is the most drastic and alarming effect of global warming for a long period of time.

Accepted Answer

Climate change

Answer

Deforestation

Answer

<P>Wildfires</P>

Answer

<P>Pollution </P>

Question 4

4. Which of the following human activities that would result to an increased amount of carbon dioxide in the atmosphere?

Accepted Answer

all of the choices

Answer

frequent using of cars and running of various factories.

Answer

burning of fossil fuels to sustain the use of electrical energy at home.

Answer

“kaingin system” or forest burning.

Question 5

5. Which statement is TRUE about El Niño and La Niña phenomena?

Accepted Answer

Both are naturally occurring phenomena that bring periodic changes in the surface of Pacific Ocean.

Answer

Both conditions bring too much drought and sometimes wildfires in the Philippines and parts of Australia.

Answer

Both phenomena bring too much rainfall in the Philippines.

Answer

Both happens only on the eastern part of the Pacific Ocean affecting the nearby countries.

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