1. Which of the following human activities increases the amount of carbon dioxide in the atmosphere and leads to depletion of atmosphere and fuel sources?
A. Burning of fossil fuels
B, Overhunting
c. Using too much chemical fertilizers
D. Using plastic
2. Some living organisms lose their habitats and migrate to other areas, affecting the balance of local populations. Which human activity contributes to this problem?
A. Logging
B. Mining and quarrying
C. Overfishing
D. Overhunting
3. Nitrates and phosphates accumulate and cause eutrophication to freshwater What will be the possible effects of eutrophication?
A. Sea-level rise and extreme weather events.
B. Living organisms lose their habitats and migrate to other areas.
C. Decreases the amount of oxygen present in the water.
D. Deforestation and increases the possibility for flooding due to soil erosion.
4. Which of the following ways describe quarrying?
A. Burning of fossil fuels.
B. Cutting or digging of stone, and related materials, from an excavation site.
C. Process of cutting, processing, and moving trees to a location for transport.
D. Injection of vast amounts of phosphorous and nitrogen nutrients into natural soils.
5. Which of the following human activities may lead to extinction of species?
A. Logging
B. Burning of fossil fuels UNISOD OF PASIG SION
C. Mining and quarrying
D. Overhunting and Overfishing
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Answer:
the place from where an organization is controlled; the people who work there
किसी संगठन का मुख्यालय; मुख्यालय में काम करनेवाले लोग; हेडक्वार्टर्स
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