Longitude is conveniently determined at sea using
A) a clock without a pendulum (i.e. a marine chronometer).
B) noon Sun angles.
C) magnetic compasses.
D) sextants.
A
You might also like to view...
When we say an appliance "uses up" electricity, we really are saying that
A) current disappears. B) electric charges are dissipated. C) the main power supply voltage is lowered. D) electrons are taken out of the circuit and put somewhere else. E) electron kinetic energy is changed into heat.
________ is also added to the atmosphere by the combustion of fossil fuels
A) Nitrate B) Argon C) Chroflourocarbon D) Carbon dioxide E) None of these answer choices are correct.
When warm, moist air mixes with cold air:
A) the cold air undergoes adiabatic expansion. B) cloud formation can result. C) the temperature of the mixed masses is usually that of the warm mass. D) the specific humidity of neither mass is affected.
The weathering of limestone can create circular depressions known as
A) uvalas. B) stalactites. C) sinkholes. D) caverns.