How are frequency and wavelength related?
A) The higher the frequency the lower the wavelength.
B) The larger the wavelength the higher the frequency.
C) The lower the frequency the lower the wavelength.
D) wavelength = frequency
E) none of the above
Question 2
According to the following reaction, which molecule is acting as an acid? OH- + NH4+ H2O + NH3
A) H2O
B) NH3
C) OH-
D) NH4+
E) none of the above
Question 3
Consider a lake that is uniformly 10C. What happens to the oxygen-rich surface water as it cools down to ?
A) The oxygen gets squeezed out as the microcrystals form.
B) Its rate of evaporation decreases which has the effect of increasing the oxygen concentration.
C) It grows less dense and remains at the surface.
D) It grows more dense and sinks towards the bottom.
Longer regions have more crossovers and thus higher recombinant frequencies
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