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Erosion
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∙ 12y ago
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What are heavy soil and light soil?
Heavy soils are heavy, high in nutrients and wet like the clay soil. Light soils are light, dry, warm,low in nutrients and often acidic.
What destroys soil in the tropics?
Deforestation. When the trees are cut down and the soil is exposed to tropical rains erosion occurs and the soil is washed away
Why is rainforest soil nutrient poor?
Heavy rain washed off the nutrients from the rainforest's soil.
When will the water content of the soil on a hillside most likely trigger a mass movement?
when the soil is fully soaked with water, such as after heavy rains
Which soil conservation technique helps prevent erosion of sloping hills by heavy rains?
counter plowing
What the two ways that topsoil can be lost?
Heavy rains/flooding, or crops/plants that destroy the nutrients in the soil (like the cotton plant).
What are the soil characteristic of a tropical rain forest?
the rapid decay of plants and animals returns nutrients to the soil.But these nutrients are quickly absorbed and used by the plants.The nutrients that are not immediatly used by the plants are washed away by the heavy rains. The soil is left thin and nutrient poor.
What are heavy soil and light soil?
Heavy soils are heavy, high in nutrients and wet like the clay soil. Light soils are light, dry, warm,low in nutrients and often acidic.
What destroys soil in the tropics?
Deforestation. When the trees are cut down and the soil is exposed to tropical rains erosion occurs and the soil is washed away
Why is rainforest soil nutrient poor?
Heavy rain washed off the nutrients from the rainforest's soil.
Occurs when an abundance of rainfall washes out valuable nutrients from the soil?
Leaching.
What occurs when plants are harvested from cropland and soil nutrients are not replaced?
erosion
When will the earth content of the soil on a hillside most likely trigger a mass movement?
When the soil is fully soaked with water, such as after heavy rains
When will the water content of the soil on a hillside most likely trigger a mass movement?
when the soil is fully soaked with water, such as after heavy rains
What happen when a heavy machine causes erosion?
Erosion is the washing away of the top soil which is rich in nutrients by the activities of man and animals.When a heavy machine causes erosion, it makes the soil looses it's nutrients.
Which soil conservation technique helps prevent erosion of sloping hills by heavy rains?
counter plowing
When do landslides generally occur?
Landslides occur in seasons of heavy rains they occur mostly in places where the soil structure is weak
