The statement that can be removed is --
Unlike heirloom seeds, if one saves a hybrid seed, one will not get the same plant again.
This above statement can be removed, without affecting the given excerpt's reliability.
Rest all the other statements are inter related and have the same meaning output.
Which question it’s 2 of them?
Answer:
the composition of atmosphere is determining the temperature of the region
The answer is <span>nitrogen
hope it helps </span>