What is known the cold and dense air blowing down from the mountain slope during the night__________?

Related Mcqs:

1. During which process of energy exchange does cold air displace warmer air?

   A. Convection 
   B.  Radiation
   C.  Conduction
   D.  None of these

   Submitted by: Rida

2. The most dense and heaviest planet is___________?

   A. Jupiter
   B. Earth
   C. Mars
   D. Venus

   Submitted by: Mansoor Ahmed Suhag

3. Ring planet is Saturn; least dense and 2nd largest planet is_________?

   A. Jupiter
   B. Saturn
   C. Neptune
   D. Mercury

   Submitted by: Mansoor Ahmed Suhag

4. Fog that most often forms as warm rain falls into a cold layer of surface air is called ______________?

   A. Radiation fog
   B. Evaporation (mixing) fog
   C. Advection fog
   D. Upslope fog

   Submitted by: Mansoor Ul Haque

5. During winter in cold countries, the __________ is mixed to melt the ice on the icy roads.

   A. Salt
   B. Chlorine
   C. Carbon dioxide
   D. Water

6. Quantity of fresh air required for a man is 1000 cubic feet of air for every____________?

   A. 5 minutes
   B. 10 minutes
   C. 15 minutes
   D. 20 minutes

   Submitted by: WIQAR AHMAD

7. Brass gets discoloured in air because of the presence of which of the following gases in air ________ ?

   A. Carbon dioxide
   B. Oxygen
   C. Nitrogen
   D. Hydrogen sulphide

   Submitted by: Rashid Mehmood

8. A lake starts freezing because of the cold atmosphere. It will first freeze

   A. At the bottom
   B. ln the middle pan
   C. At the top surface
   D. Uniformly throughout the water body

9. Which of the following is cold current ?

   A. Gulf Stream
   B. Brazil
   C. Benguela
   D. Kuroshio

   Submitted by: Mansoor Ahmed Suhag

10. The extremely cold temperatures in the polar region of moon mean that it can act as a kind of __________ where things do not undergo much change.

    A. Time capsule
    B. Light capsule
    C. Meta capsule
    D. Natural capsule

    Submitted by: Muhammad Abdullah