Which of the following correctly describes satellites?
A) They are DNA molecules in which long nucleotide sequences are repeated a few times.
B) They are DNA molecules in which long nucleotide sequences are repeated many times.
C) They are DNA molecules in which short nucleotide sequences are repeated a few times.
D) They are DNA molecules in which short nucleotide sequences are repeated many times.
D
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Which of the following terms refers to the percentage of water vapour present in the air compared to that required for saturation?
A. relative humidity B. mixing ratio C. absolute humidity D. dew point
Government regulators are often forbidden from taking market principles into account when deciding how to manage resources
Indicate whether the statement is true or false.
If a chemist wishes to carry out a reaction in which one reactant is a solid and one is a liquid, which of the following will be most effective in speeding up the reaction?
A) adding more liquid reactant B) grinding the solid to a form a powder C) placing a larger crystal of the solid in the same volume of liquid reactant D) All of the above will be equally effective.
Like hurricanes, polar lows normally have a warmer central core, strong winds (often gale force or higher), and heavy showery precipitation that unlike a hurricane, is in the form of snow
a. True b. False