64. Study the diagram and answer the questions:
a) Why is oil placed over water?
b) What happens to the level of water, when this set-up is placed in:
Bright sunlight?
Windy day?
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Answer:
a) (1) In bright sunlight the level of water decreases quickly.
(2) In humid conditions, the level of water does not decrease for a long time.
(3) On windy day level of water decreases very quickly.
b) i. The number of stomata may be reduced.
ii. Leaves may become narrow.
iii. A thick layer of cuticle on the leaf surface helps to decrease transpiration.
Answered by
1
Answer:
because level of water set up in placed
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