Question

B. Fill in the blanks.
1. The clouds that we can see and
all the weather changes occur in
layer.
is the most abundant
gas in the atmosphere and makes up
about 78% of the air.
3. Carbon dioxide is needed by plants to
make their
4. Helium and argon are
gases.

5.________is burnt during respiration to
obtain energy​

Answer 1

where are the blank space

Answer 2

Answer:

5. glucose burnt during respiration to

obtain energy