Earth Science - Sem 2 - A: Question Preview (ID: 608)

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On which date does the Antarctic Circle have 24 hour5s of daylight
a) June 21
b) December 21
c) September 21
d) March 21

Which electromagnetic waves have the longest wavelengths
a) radio
b) ultra violet
c) gamma
d) infared

Electromagnetic waves travel through space at a speed of
a) 3000 km per second
b) 3,000,000 km per second
c) 300,000 km per second
d) 30,000 km per second

Earth recieves energy from the sun through what method of heat transfet?
a) conduction
b) none of the above
c) radiation
d) convection

Which is associated with weak light rays that travel in different directions?
a) reflection
b) convection
c) scattering
d) conduction

Which of the following is true?
a) Land heats less rapidly than water
b) Land heats more rapidly than water
c) Land reacher higher temperatures than water
d) Land heats less rapidly AND reaches higher temperatures than water

The change of state from a gas to a liquid is called
a) evaporation
b) sublimation
c) condensation
d) deposition

What is true about relative humidity?
a) It indicates how near the air is to saturation
b) It indicates the actual quantity of water vapor in the air
c) It is the general term used to describe the amount of water vapor in the air
d) It is the temp to which a parcel of air needs to be cooled to reach saturation

Which refers to the temp to which air would have to be cooled to reach saturation?
a) dew point
b) vapor
c) adiabatic rate
d) relative point

Which of the flollowing is an example of condensation nuclei
a) dust
b) smoke
c) salt particles
d) dust, smoke and salt particles

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