Question

Q1. Fill in the blanks.
and give
out
i. All living organisms take in
during respiration
11. The burning of fuels produces
gas.
Air is not really one substance but a
iv. The major component of air is
Plants use
for photosynthesis and
respiration​

Answer 1

Explanation:

i Oxygen

ii biogas

iii component

iv Nitrogen

v carbon dioxide

Answer 2

Answer:

1. oxygen

2. carbon dioxide

3. mixture of gases

4.nitrogen

5. carbon dioxide