15. Fill in the following blanks with suitable words:
(a) The envelope of air around the earth is known as_________
(b) The component of air used by green plants to make their food is_________
(c) The____________
particles can be seen moving in a beam of sunlight in a dark room.
(d) Aquatic animals use dissolved__________ in water for respiration.
(e) Air helps in the dispersal of __________ of________
and
of flowers of several plants.
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Answer:
Answer is
Explanation:
1. Atmosphere
2.carbon dioxide gas
3.Dust
4.oxygen gas
5.seeds and pollen
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