A chemical equation for the combustion of propane, C3H8, is shown below. Through this reaction is the carbon oxidized or reduced? C3H8 + 5 O2 ? 3 CO2 + 4 H2O
A) The carbon is oxidized.
B) The carbon is reduced.
C) Some of the carbons are oxidized while others are reduced.
D) The carbon is neither oxidized nor reduced.
A
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Mutations in sex cells can be induced by ultraviolet radiation or extreme temperature changes
a. True b. False
A crevasse stops in a glacier at a depth
A) equal to the crustal boundary. B) where plastic deformation occurs. C) of 50 meters. D) located at the rock or regolith below the glacier.
Examine the full-page photograph at the beginning of this chapter. The aerial view in eastern Washington shows natural hillslopes and farmland. The yellow areas are growing wheat
The remaining areas are covered in native grasses. Explain how the farming practices visible in the photograph are designed to minimize soil erosion. What will be an ideal response?
Who were some of the earliest indigenous settlers to discover and settle the Hawaiian Islands?
What will be an ideal response?