SCIENCE
EARTH SCIENCE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The shape of Earth’s lithosphere is continually changing.
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The movement of continental plates is caused by volcanic eruptions.
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The oceans are becoming deeper and warmer as more rocks are produced.
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The rocks on the ocean floor are producing tectonic plates that are converging.
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Detailed explanation-1: -Bedrock that is closer to oceanic ridges is younger in age than bedrock that is farther away. What can best be concluded from this information? The shape of the Earth’s lithosphere is continually changing.
Detailed explanation-2: -The main direct cause of biodiversity loss is land use change (primarily for large-scale food production) which drives an estimated 30% of biodiversity decline globally. Second is overexploitation (overfishing, overhunting and overharvesting) for things like food, medicines and timber which drives around 20%.
Detailed explanation-3: -Which best describes how energy from the sun helps to maintain life on Earth? A It heats Earth’s atmosphere and surface, which helps stabilize temperatures on Earth and creates environments more favorable for life to exist.
Detailed explanation-4: -Wetlands destruction has increased flood and drought damage, nutrient runoff and water pollution, and shoreline erosion, and triggered a decline in wildlife populations.
Detailed explanation-5: -Both remove vegetation in the area, destroying habitats. How are surface mining and peat harvesting similar in the way they affect an ecosystem? The risk of landslides across the country will increase.