38) Which of the following make a stream a permanent stream? A. Constant flow ye

Question

38) Which of the following make a stream a permanent stream?

A. Constant flow year round.

B. Not constant flow year round

C. Water table below stream bed

D. Arid climate

E. None of the above

39) The recent fires in California may ultimately result in what type of hazard?

A. Earthquakes

B. Tsunami

C. Bad acting in Hollywood

D. Mudslides

E. None of the above

40) For slopes to become unstable, what condition must be met?

A. Resistance force is greater than downslope force

B. Resistance force equals downslope force

C. Resistance is futile

D. Resistance force is less than downslope force

E. None of the above

41) Stream discharge is equal to:

A. Cross-sectional area times the channel depth

B. Cross-sectional area times the flow velocity

C. Cross-sectional area times the channel width

D. Capacity

E. Competence

42) Glaciers and straight streams have the same velocity profiles, where the velocity is:

A. Highest at the edges

B. Highest at the bottom

C. Affect by frictional resistance on the edges

D. Fastest in the center

E. C & D

43) If you were a water drop deposited by rain in Pennsylvania, what water body would you end up in?

A. Arctic

B. Gulf of Mexico

C. Gulf of California

D. Atlantic

E. Pacific

44) The angle of repose is a material property controlled by:

A. Grain size

B. Grain shape

C. Composition

D. Color

E. A & B

Pretty pretty please answer all!!!

Explanation / Answer

38) Constant flow year round.

permenent ivers are also called as perennial river which flows throughout the year

39) Earthquakes

earthquakes can often leads to fires by breaking of gas pipe lines presesnt in the subsurface of earth

40) Resistance force is less than downslope force

if the downsloe force is greater than the resistance force then the slope will become unstable and starts to move

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