When the frequency of the source of a water wave increases, the distance between successive peaks in the wave
a. remains unchanged
b. increases
c. decreases
d. cannot be determined
C
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Which of the following is NOT a greenhouse gas?
A) water (H2O) B) molecular oxygen (O2) C) carbon dioxide (CO2) D) methane (CH4)
If a scientific model generates a prediction that is not confirmed experimentally,
A) the experimental data must be modified to be consistent with the model B) it must be initially revised and eventually abandoned if it continues to be inconsistent with experiments C) it must be assumed that there are errors in the experiment D) it must immediately be abandoned
10. mL is equal to
A) 0.01 L B) 1.0 kL C) 0.10 L D) 10-6L E) 0.001 ML
As viewed from underwater, at what angle from the vertical does the Sun appear to set?
A) 0° B) 90° C) 49° D) 41° E) 45°