In which logging method are felled trees skidded downslope to be loaded on trucks?

In which logging method are felled trees skidded downslope to be loaded on trucks?
a. tractor yarding
b. selective cutting
c. slope collecting
d. saw cut loading
e. skid sloping

Question 2

What is NOT a way in which development affects floods?
a. pavement and rooftops increase runoff
b. excavation of sand and gravel changes river sediment loads
c. artificial concrete channels minimize floods
d. logging increases runoff
e. logging decreases sediment loading

Question 3

Damage from debris flows can be limited through construction of walls to deflect flows to an undeveloped area.
a. True
b. False

Question 4

Debris flows can happen even on slopes of less than 30 covered with thick brush or forest.
a. True
b. False

Question 5

To reduce exposure to damage from debris flows, buildings and streets should be built perpendicular to the downslope direction of flow.
a. True
b. False

Question 6

U.S. taxpayers pay the cost of any loss under the federal flood insurance program.
a. True
b. False

Question 7

The U.S. average annual death rate caused by floods over a recent 10-year period exceeded 100.
a. True
b. False

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In which logging method are felled trees skidded downslope to be loaded on trucks?

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