Land surface temperature (LST) is A) often much cooler than ...

[pragya sharda]

Land surface temperature (LST) is
 
  A) often much cooler than air temperature due to vegetation cover.
  B) measured using a ground network of at least one station per 250,000 km2 across the globe.
  C) highest in areas with high albedo and dense cloud cover.
  D) a measure of the heating of the land surface and is distinct from air temperature.

Question 2

Which of the following is NOT true of the freezing point of water?
 
  A) There is a single freezing point, 0C (32F).
  B) Freezing point varies with volume and atmospheric conditions.
  C) Purity of water can influence freezing point.
  D) Freezing point ranges from 0C to -40C (32F to -40F).

[AmberC1996]

Answer to Question 1

D

Answer to Question 2

A