The only way for gases to diffuse in and out of the leaf is through small openings on the bottom of the leaf, the stomata.
A.... This is known as hydrogen bonding because the highly electronegative Oxygen in on molecule of water is attracted to the Hydrogen of another.
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Answer:
2.1 As food.
2.2 For clothing and textiles.
2.3 For work and transport.
2.4 In science.
2.5 In medicine.
2.6 In hunting.
2.7 As pets.
2.8 For sport.
Height- people can be short or tall base on their genes this is dependent on your parents