GEOLOGY

EARTH SCIENCE

SEDIMENTS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Students create a demonstration by pouring water down a pile of sand. What are they demonstrating?
A
weathering
B
erosion
C
compaction
D
cementation
Explanation: 

Detailed explanation-1: -Pour water very slowly from a pitcher into each soda bottle and watch as the water passes through the soil and flows into the water reservoir (plastic cup). Try to cover the entire surface rather than just pouring the water in one spot. Observe how much soil erodes from each container and flows into the plastic cups.

Detailed explanation-2: -Gully erosion happens when runoff concentrates and flows strongly enough to detach and move soil particles. For example, a waterfall may form, with runoff picking up energy as it plunges over the gully head. Splashback at the base of the gully head erodes the subsoil and the gully eats its way up the slope.

Detailed explanation-3: -Water erosion occurs when rain or snowmelt displaces the soil on the ground. The more water flowing over the land, the more soil particles are moved or transported away. Land that has no vegetation-including farm fields that are left barren after crop harvest-are especially vulnerable to water erosion.

Detailed explanation-4: -Splash Erosion. This is the first stage in the erosion process that is caused by rain. Sheet Erosion. Rill Erosion. Gully Erosion. Tunnel Erosion. Impact On Flora. Impact On Fauna. Flooding. More items •11-Feb-2021

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