Which of the following is closest to a yard in length?
Which of the following is closest to a yard in length?
A. 0.01m
B. 0.1m
C. 1m
D. 10m
E. 100m
Which of the following is closest to a yard in length?
A. 0.01m
B. 0.1m
C. 1m
D. 10m
E. 100m
A. small intestine
B. large intestine
C. stomach
D. Liver
By which process copper is refined ____________?
A. Roasting
B. Oxidation
C. Zone Refining
D. Electrolysis
A. Hydrogen
B. Neon
C. Carbondioxide
D. Argon
The most common gas people breathe from clean air is nitrogen. Air is a mixture of gases, and the air on Earth contains about 78 percent nitrogen and about 21 percent oxygen. Argon, carbon dioxide neon, helium, methane, krypton, hydrogen and xenon are in much smaller amounts.
A. Oceanography
B. Algology
C. Phology
D. Orintology