C.
13. Why are coal, petroleum, and natural gas considered nonrenewable resources if they were produced
from plant and animal remains?
It takes a very long time to produce them.
b. Using them results in environmental problems.
c. They are difficult to locate and explore from Earth.
d. The Philippines is dependent on supply from other countries
14. Which of the following does NOT show the proper way of conserving natural resources?
a. Illegal logging
Use of 3r's
b. Proper waste disposal
15. What does conserving resources mean?
d. Using of organic fertilizer
a. Use as much of the resources as you can.
b. Only use the resources at school.
c. Protecting the resource so it does not run out.
d. Use the resources by wasting them all.
16. What will be the effect if farm lands or rice fields turned into residential or commerci
e. Destroys the quality of soil.
f. Food resources will be reduced.
g. Decreases the amount of oxygen present in the water.
h. May affect the health of people as well as plants and animals.
17. Which of the following is a major component of the atmosphere?
a. Argon
b. Nitrogen
c. Oxygen
d. Ozo
18. In what way does the atmosphere protects life on earth?
a. by absorbing ultraviolet radiations
b. by warming the surface through greenhouse effect
c. by creating pressure allowing for liquid water to exist on the earth'ssurfa
d. all of the above
19. What layer of the atmosphere does weather phenomena occur?
a. Troposphere b. Stratosphere C. Mesosphere
20. The stratosphere contains the Earth's ozone layer. The ozone blocks some
happen if ozone layer were removed from the atmosphere?
a. The removal of the ozone layer would cause higher temperatures.
b. The removal of the ozone layer would cause an extinction of all life
c. The removal of the ozone layer would cause a higher rate of skin
d. The removal of the ozone layer would cause the depletion of natu
tion of air movement?​