What element is used to link nucleic acids in all organisms?
A) Carbon
B) Nitrogen
C) Silicon
D) Phosphorus
D
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What coefficients balance the following equation? ________ P4 (s) + ________ H2 (g) ? ________ PH3 (g)
A. 2, 10, 8 B. 1, 4, 4 C. 4, 2, 3 D. 1, 6, 4
Which of the following cloud types is LEAST likely to produce precipitation that reaches the ground?
A. cumulonimbus B. nimbostratus C. stratus D. cirrocumulus
Which of the following will occur if the temperature of a gas is increased from 20°C to 40°C at constant pressure?
A) The volume will double. B) The volume will be halved. C) The volume will decrease slightly. D) The volume will increase slightly.
Relative to the five fundamental themes of geography, resource management and sustainable growth refer to
A) location. B) place. C) human-Earth relationships. D) movement. E) regions.