It is observed that the total pressure exerted by air on the man of average size is around 14.7 lb wt. per square inch. But the man feels quite comfortable,. It is because of__________...?
(A) An equal and opposite pressure acts from inside
(B) of the height of a man
(C) of gravity
(D) Earth pulls the man upward
An equal and opposite pressure acts from inside
Comments
It is observed that the total pressure exerted by air on the man of average size is around 14.7 lb wt. per square inch. But the man feels quite comfortable,. It is because of__________...?
The instrument which i specially design for recording earth quake wave is called seismograph which measure earth quake waves on a ____________...?
(A) Diatonic scale
(B) Fahrenheit Scale
(C) Richter scale
(D) Celsius Scale
Richter scale
Comments
The instrument which i specially design for recording earth quake wave is called seismograph which measure earth quake waves on a ____________...?
The atmosphere near the earth’s surface is “heated from below.” Which of the following does not significantly contribute to this heating _____________________...?
(A) Conduction of heat upward from a hot surface
(B) Convection from a hot surface
(C) Absorption of infrared energy that has been radiated from the surface
(D) Heat energy from the earth’s interior
Heat energy from the earth’s interior
Comments
The atmosphere near the earth’s surface is “heated from below.” Which of the following does not significantly contribute to this heating _____________________...?
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
Time capsule
Comments
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....?
Earth is closest to the sun every year in early ______________, when it’s winter for the Northern Hemisphere. We’re farthest away from the sun in early __________________, during our Northern Hemisphere summer....?
(A) January – July
(B) June – December
(C) July – January
(D) December – June
January – July
Comments
Earth is closest to the sun every year in early ______________, when it’s winter for the Northern Hemisphere. We’re farthest away from the sun in early __________________, during our Northern Hemisphere summer....?