What is used as an index for fuel consumption?
A) growing degree days
B) consumer price index
C) heating degree days
D) mean annual temperature
C
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Upon ingestion, grain alcohol, C2H6O, is metabolized into acetaldehyde, C2H4O, which is a toxic substance causing headaches as well as joint pains typical of a "hangover". Is the grain alcohol oxidized or reduced as it transforms into acetaldehy
A) The grain alcohol is reduced. B) The grain alcohol is oxidized. C) Some of the grain alcohol is oxidized and some is reduced to other products. D) The grain alcohol is neither oxidized nor reduced.
What is the average pH of the ocean?
a. 7.0 b. 7.5 c. 8.0 d. 8.5
Which of the following amino acids has iodine atoms in its structure?
A) leucine B) lysine C) thyroxine D) tyrosine
If a stream's velocity increases, its competence ________
A) remains unchanged B) increases by the same rate as the velocity increases C) decreases by the same rate as the velocity increases D) increases at a greater rate than the velocity increases E) decreases as a lesser rate than the velocity increases