The phrase that best describes frost wedging is: a type of physical weathering that occurs due to temperature changes.
Which phrase best describes frost wedging?(1 point) Responses a type of physical weathering that occurs due to temperature changes a type of physical weathering that occurs due to temperature changes a type of erosion that occurs due to friction a type of erosion that occurs due to friction a type of physical weathering that occurs due to friction a type of physical weathering that occurs due to friction a type of erosion that occurs due to temperature changes a type of erosion that occurs due to temperature changes
11 answers
Does the environment affect the soil?(1 point) Responses No, because soil type is determined only by particle size. No, because soil type is determined only by particle size. Yes, but it only affects its particle size. Yes, but it only affects its particle size. Yes, it affects particle size and soil composition. Yes, it affects particle size and soil composition. No, because soil is the same in all environments.
The correct response is: Yes, it affects particle size and soil composition.
Why are farming practices like terraced fields important in terms of soil conservation?(1 point) Responses They cause nutrients in the soil to leak out, which is essential because plants need nutrient-poor soil. They cause nutrients in the soil to leak out, which is essential because plants need nutrient-poor soil. They prevent soil from eroding and becoming lost, which is essential because soil is a nonrenewable resource. They prevent soil from eroding and becoming lost, which is essential because soil is a nonrenewable resource. They remove pollutants from the soil, which is essential because living things depend on pollutant-free soil. They remove pollutants from the soil, which is essential because living things depend on pollutant-free soil. They help limit the amount of soil that is produced, which is essential because soil is a renewable resource.
The correct response is: They prevent soil from eroding and becoming lost, which is essential because soil is a nonrenewable resource.
Which statement is correct?(1 point) Responses There is a thick layer of topsoil in tropical rain forests. There is a thick layer of topsoil in tropical rain forests. There is a thick layer of humus in cold deserts. There is a thick layer of humus in cold deserts. There is a thick layer of humus in dry deserts. There is a thick layer of humus in dry deserts. There is a thin layer of topsoil in tropical rain forests.
The correct statement is: There is a thin layer of topsoil in tropical rain forests.
How is chemical weathering different from physical weathering?(1 point) Responses Chemical weathering forms new substances, while physical weathering does not. Chemical weathering forms new substances, while physical weathering does not. Chemical weathering requires a reaction with water, while physical weathering does not. Chemical weathering requires a reaction with water, while physical weathering does not. Chemical weathering results in the breakdown of rock, while physical weathering does not. Chemical weathering results in the breakdown of rock, while physical weathering does not. Chemical weathering involves plants and animals, while physical weathering does not.
The correct response is: Chemical weathering forms new substances, while physical weathering does not.
Why do scientists think the Grand Canyon was once covered by an ocean?(1 point) Responses The Grand Canyon is located along coastlines that likely flooded. The Grand Canyon is located along coastlines that likely flooded. Only an ocean would have the strength to erode the rock forming the Grand Canyon. Only an ocean would have the strength to erode the rock forming the Grand Canyon. Seawater has been found seeping up through the canyon floor. Seawater has been found seeping up through the canyon floor. The sedimentary rock type forming layers of the canyon formed under the sea. The sedimentary rock type forming layers of the canyon formed under the sea. Skip to navigation
The correct response is: The sedimentary rock type forming layers of the canyon formed under the sea.