How does a crevasse form?
A) A glacier moves over a volcanic hot spot, causing differential melting and caving it inward.
B) A glacier moves across a ridge of particularly resistant rock, which breaks the glacier from the bottom upward.
C) Internal stress causes a glacier's upper surface to break as the glacier moves.
D) A glacier moves over a pre-existing stream valley, which causes it to fracture on each side of the valley.
C) Internal stress causes a glacier's upper surface to break as the glacier moves.
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The major types of meteorites are either "irons" (metallic) or "stones" (rocky).
Answer the following statement true (T) or false (F)
What are some natural ways in which particles can enter the atmosphere? What is the effect of these particles on the climate?
What will be the ideal response?
The removal of soil components from the topsoil is called illuviation and their deposition in the subsoil is termed eluviation
a. True b. False Indicate whether the statement is true or false
The sun emits light in a range of wavelengths, but the spectrum of wavelengths where the total energy hitting the earth is highest is the _________ spectrum
Fill in the blank(s) with the appropriate word(s).