The sun's vertical rays strike the equator on ____
a. December 21
b. June 21
c. both December 21 and June 21.
d. none of these
D
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Rust has a tendency to form when iron in contact with water reacts according to the following reaction: 4 Fe + 3 O2 ? 2 Fe2O3 What is happening at the anodic region?
A) Iron is being oxidized. B) Oxygen is being oxidized. C) Oxygen is being reduced. D) Iron is being reduced. E) none of the above
Dip angle is measured downward from the horizontal plane to the bedding plane.
Answer the following statement true (T) or false (F)
Calm, tranquil weather is sometimes extremely hazardous. Indicate whether the statement is true or false
________ represent(s) the largest source of unregulated hazardous waste
A) Households B) Small businesses C) Farmers D) Large industry E) Utilities