SCIENCE
ECOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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You dig a small hole in the soil and the next day it rains. The hole fills with water, but does not empty even after several days of dry weather. What is the soil mostly made of?
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clay
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sand
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humus
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silt
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Explanation:
Detailed explanation-1: -Generally speaking, clay-rich soils have the largest pore space, hence the greatest total water holding capacity.
Detailed explanation-2: -A soil’s texture depends on the proportion of sand, silt or clay it contains. For example, a soil described as a silt loam contains mainly silt but also will contain some sand and clay in smaller proportions.
Detailed explanation-3: -Soil is made up of air, minerals, water, and organic matter.
Detailed explanation-4: -Green soil is not a type of soil.
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