Question

b. there is vacuum in it
d. none of these
b. Carbon dioxide
gas during respiration
Water does not enter inside a bottle when it is pushed into water in an inverte
position because
a. it has air in it
c. water cannot move in upward direction
Which gas is produced by plants during respiration?
a. Oxygen
c. Nitrogen
d. Argon
11 in the blanks.
All living beings exhale
is surrounded by a layer of air called atmosphere.
The percentage of nitrogen in air is
Air occupies
and has
Air is like a/an
around us.
ate whether the following statements are TRUE or FALSE.
Plants respire only at night.
Windmills helps in grinding grains.
The percentage of carbon dioxide in atmosphere is 3.3%.
Nitrogen is used to form fertiliser and dyes.
Water vapour is responsible for water cycle.
Air is a mixture not a compound.​

Answer 1

Answer:

Hope you find helpful

Explanation:

True