A Read each question carefully. Write the tetter of the correct answer in your
answer sheet.
1. Which of the following happens when the rock is weakened and disintegrated by
physical factors, such as temperature changes, friction, free ring, or heating?
A Physical Weathering
C. Weathering
B. Chemical Weathering
D. both a and b
2. Which of the following happens when the rock is weakened and disintegrated
under chemical reactions that alter the rock's mineral?
A. Physical Weathering
C. Weathering
B. Chemical Weathering
D. both a and b
3. Wind'. water, plants, animals, and the sun's heat are examples of _____
A agents
B. minerals
C. rocks
D. soil
4. Which of the following refers to a chemical reaction caused by water?
A carbonation
B. hydrolysis
C. oxidation
D. weathering
5. How long does it take to form just an inch of soil?
A. 10 years
C. 1,000 years
B. 100 years
D. 10,000 years
6. Which of the following makes rocks become less resistant to weathering because
it changes their chemical composition and size of minerals present?
A. acid
b. carbon
C. oxygen
d. water

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