32. A braided stream is a. one that is erosional b. a balanced stream c. a high

Question

32. A braided stream is a. one that is erosional b. a balanced stream c. a high velocity stream d. one where material is being deposited 33. Name three variable gases that can result in the warming of the atmosphere b. 34. A playa lake is one that? a. is a lake formed by a glacier dam. b. is an intermittent lake formed in basins in arid or semi-arid areas c. is a lake formed in the depression formed by a volcanic eruption d. is a lake formed by glacial erosion (eg, lake Michigan) 35. A lahar is? a. A seasonal lake that dries out during the dry season. b. A gravity-driven rock slide. c. A flood recreated by a sudden catastrophic rain storm d. A mud slide created by snow melt during a volcanic eruption 36. An entrenched meander loop implies what about the stream's history a. The stream was always an erosional feature due to lowering of base level. b. The stream was erosional and is now depositional c. The strea m was first depositional then lowering of base level caused the stream to become erosional. d·The stream velocity has always been constant. 37. Three orbital parameters of Milankovitch theory are. b. 38. A glacial eratic is? a. A random change in the rate of a glacier's movement b. An isolated moraine whose location can only be explained by a glacier C. An isolated large boulder whose location can only be explained by a glacier d. An incompetent professor so old he was born in the last ice age 39. Which is not an example of an exotic river? a. the Tigris b. the Colorado c. the Nile d. the Congo

Explanation / Answer

32. A braided stream is ?

Ans. d. One where material is being deposited.

Here sediments are deposited within the channel. So, it is called mid channel bar.

33. Name three variable gases that can result in the warming of the atmosphere.

a. Carbon dioxide, b. Methane, and c. Ozone

34. A playa lake is one that ?

Ans. b. An intermittent lake formed in basins in arid and semi-arid areas.

They are areas of land that were once lakes, but due to many factors, the lakes evaporated, leaving a vast region of sediment and minerals

35. A lahar is ?

Ans. d. A mud slide created by snow melt during a volcanie cruption.

36. An entrenched meander loop implies that about the stream's history:

Ans. c. The stream was first depositional then lowering the base level caused the stream to become erosional.

37. Three orbital parameter of Milankovitch theory are:

a. Eccentricity, b. Axial tilt, and c. Precession

38. A glacial eratic is ?

Ans. c. An isolated large boulder whose location can only be explained by a glacier.

39. Which is not an example of exotic river ?

Ans. d. The Congo.

An exotic river is one that formed in humid region, and flows through an arid environment. The ancient civilizations were mainly besides these rivers.

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