Weathering and Erosion Unit Test
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Question
A series of coral reefs is located near a coastline. In 3–5 sentences, construct an argument about how people can help prevent erosion to the coastline by protecting coral reefs.(4 points)
One way people can help prevent erosion to the coastline by protecting coral reefs is by reducing pollution in the surrounding waters. Pollution can harm coral reefs, weakening their structure and making them less effective at protecting against erosion. By properly disposing of waste and reducing the use of harmful chemicals, individuals can help maintain the health of the coral reefs. Additionally, promoting sustainable fishing practices and avoiding activities that directly disturb the reefs, such as anchoring boats or trampling on them, can also aid in protecting these important natural barriers against erosion. Overall, by respecting and caring for coral reefs, we can ensure their continued ability to safeguard the coastline from erosion.
Weathering and Erosion Unit Test
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Question
What evidence is there that oxygen levels in the sea increased due to photosynthetic bacteria?(1 point)
Responses
decreases in anaerobic organisms
decreases in anaerobic organisms
rust deposits in today’s ocean
rust deposits in today’s ocean
global cooling
global cooling
rust deposits in the ancient ocean
decreases in anaerobic organisms
Weathering and Erosion Unit Test
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Question
Which describes the Grand Canyon as it will be one million years from today? Select the two correct answers.(1 point)
Responses
It will become shallower, as the Colorado River deposits sediment in the canyon.
It will become shallower, as the Colorado River deposits sediment in the canyon.
It will become wider, as the edges of the canyon are weathered and eroded.
It will become wider, as the edges of the canyon are weathered and eroded.
It will become deeper, as the Colorado River continues to carve into the rock.
It will become deeper, as the Colorado River continues to carve into the rock.
It will become narrower, as weathered rock collects at the canyon’s edges.
It will become wider, as the edges of the canyon are weathered and eroded.
It will become deeper, as the Colorado River continues to carve into the rock.
Weathering and Erosion Unit Test
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Question
What is an example of a physical weathering?(1 point)
Responses
bits being blown off a rock by heavy winds
bits being blown off a rock by heavy winds
a metal tool left outside beginning to rust
a metal tool left outside beginning to rust
a rock wearing down due to acid rain
a rock wearing down due to acid rain
microscopic organisms producing compounds that break down rock
microscopic organisms producing compounds that break down rock