Earth System Topicsshowing only Surface Processes Show all Earth System Topics
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ConcepTest: Humid Climates and Water Transport to Streams part of Examples
In a humid climate (e.g., Georgia), which process contributes the greatest volume of water to streams? a. human activity b. overland flow c. groundwater discharge
ConcepTest: Glacial Equilibrium part of Examples
If a glacier is in equilibrium (accumulation = ablation), what occurs at the terminus? a. sediment is deposited b. the glacier erodes the underlying bedrock c. neither erosion nor deposition occurs
ConcepTest: Stream Baseflow During Droughts part of Examples
What happens to the volume of water that passes from groundwater to streams during a prolonged drought? a. it increases b. it decreases c. no change
ConcepTest: Global Temperature Change and Water Reservoirs part of Examples
If average global temperatures dropped 5 degrees C, which reservoir (source) of water would most likely experience the greatest percent volume change? a. Oceans b. Glaciers and ice sheets
ConcepTest: Glacial Terminal Moraine Formation part of Examples
A glacial terminal moraine forms when: a. the climate is getting colder. b. the climate is getting warmer. c. the climate is stable.
ConcepTest: Glacial Retreat part of Examples
What happens during a glacial retreat? a. The glacier flows back to its origin. b. Less ice is supplied to the terminus of the glacier. c. The glacier ceases to flow.
ConcepTest: Ocean Salinity During an Ice Age part of Examples
One million years ago ice sheets covered much of the Earth's land surface during an ice age. How did this affect the salinity of the oceans? a. Oceans were saltier than today. b. Oceans were less salty than ...
ConcepTest: Unconformity Explaination part of Examples
Which of the following sequence of events would best explain what happened between deposition of layers C and E illustrated in the diagram below? a. Uplift only. b. Uplift, erosion, then sea level rise. c. Uplift ...
ConcepTest: Relative Layer Age #40 part of Examples
Examine the image of rock layers below. Which letter represents the layer that was formed earliest? Image courtesy of USGS a. A b. B c. C d. D
ConcepTest: Relative Layer Age #37 part of Examples
Examine the image of rock layers below. Which letter represents the rock unit that was formed most recently? Image courtesy of USGS a. A b. B c. C