Question

Sand and gravel rolling along a river bed act as
(Points : 3)
barriers to biological activity
abrasives that cut through bedrock
carriers of smaller particles
pollutants

Answer 1

the sand, gravel, boulders, or other debris transported by rolling or sliding along the bottom of a stream

Answer 2

A.

Answer 3

TY

Answer 4

yw

Answer 5

click best response

Answer 6

what about this one do you know it? As the rate of a river's current decreases, which of the following happens?
(Points : 3)
coarse particles settle out first
fine particles settle out first
coarse and fine particles settle at the same time
both coarse and fine particles stay suspended

Answer 7

Sometimes. Current increases often result in increased heating, which often results in an increase in resistance, although some materials have a negative temperature coefficient (meaning as temperature increases, resistance decreases).

Answer 8

It causes the electricity flow faster,which in term increases the electrical flow

Answer 9

A.

Answer 10

thank you again, what about this one? A river flowing into an ocean will result in the formation of accumulated sediment called a(n)
(Points : 3)
delta
alluvial fan
meander
oxbow lake