Which of the following statements about continental glacial movement is correct?
A. continental glaciers can only flow uphill b. continental glaciers can flow in all directions***
c. continental glaciers can only flow downhill d. continental glaciers do not flow at all. A farmer uses weeds and stalks from his previous year's crop to plow his field. Which of the following soil conservation techniques is he employing?
a. terracing b. recycling c. conservation plowing *** d. crop rotation ______________ is a ridge that forms when till is deposited at the edges of a glacier.
a. Moraine*** b. Kettle c. Sediment d. Till How does wind primarily cause erosion? a. by abrasion b. by deflation c. by decomposition*** d. by evaporation Which of the following forms when sediment is blown against an obstacle and settles behind it?
a. eskers b. loess c. dunes*** d. till What is the composition of the A horizon? a. topsoil b. subsoil c. bedrock d. water When earthworms add their waste to the soil and then die and decay in the soil, they are contributing to the formation of
a. silt. b. clay. c. litter. d. humus.*** How does soil lose its value? a. when the topsoil is stripped by wind or water***
b. when the bedrock is damaged by animals c. when water seeps through the A horizon d. when burrowing animals tunnel through the soil PLS HELP ASAP!!!!!