A simple barometer is compact and portable.` "____________"`

The empty space above mercury in a simple barometer is called "__________" vecuum.

Aneroid barometer uses pure mercury. "___________".

The vertical height of mercury in a simple barometer is dependant on the area of cross-section of barometer tube.

In the centre of each microsporangia a compact arranged tissue is ________

Spongy bone differs from compact bone is

The vertical height of mercury which a simple barometer can support at sea level is:

Illustrate with the help of a lebelled diagram of a simple barometer that the atmospheric pressure at a place is 76 cm of Hg.

Mention two demerits of a simple barometer and state how they are removed in a Fortin barometer.

Explain how is the height of mercury column in the tube of a simple barometer, a measure of the atmospheric pressure.

How is the barometric height of a simple barometer affected if A drop of liquid is inserted inside the tube?