Why are flash floods and sheet flows common in deserts? What do these events have to do with
erosion in the desert? What will be an ideal response?
Although deserts receive little rain, what they do get often comes in heavy, localized cloudbursts. The
ground cannot absorb all of this water because of the abundance of regolith and the hardness of the soil
surface. The lack of vegetation allows runoff to be rapid especially on slopes. Water runs quickly into
dry stream channels, resulting in flash floods and sheet flows. Streams carve steep gullies and
overflow their banks. A tremendous amount of sediment is transported rapidly, and very little is moved
at other times.
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The decomposition of rock from exposure to water and atmospheric gases is called
A. deposition B. mechanical weathering C. transportation D. chemical weathering
Overall, the Arctic is much cooler than Antarctic
Indicate whether the statement is true or false
What volume of 12.0 M HCl must be used to make 300. mL of 0.600 M HCl?
A) 1.50 mL B) 2.40 mL C) 15.0 mL D) 24.0 mL
When ribose adopts a furanose structure which carbon is the anomeric carbon?
A) C-1 B) C-2 C) C-5 D) C-6