Question

PLEASE MY EXAM....
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Answer 1

Answer:

transpiration means loss of water from stomata .

function - Help in regulation of water in plants.

also result in gases exchange ( This is very interesting point think about it ) .

phloem is used to transport food

it move food ib both directions

sieve tubes helps in this process.

xylem is used to transport water

it moves in upward direction

here vessel tube help in transportation.

ozone is molecule of O3

help in preventing rays from entering earth atmosphere.