Answer:
Saliva contain enzymes.
Explanation:
In the mouth, when chewing a bite of bread, it mixes with the saliva in the mouth which is secreted by the salivary gland. The food is broken down by chewing which is converted into Bolus through the saliva. The saliva comprises of digestive salivary amylase which help to digest carbohydrates and breakdown carbohydrates into smaller pieces.
Bread is a carbohydrate, digestive salivary amylase breakdown bread into sugars.
Therefore, digestion begin from the mouth and it contain saliva which comprises of the enzymes.
Answer:
leaves
Explanation:
The main site for photosynthesis in plants are the leaves. Leaves are the main spot of a plant where you can see photosynthesis occur.
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Gene (DNA) expression would be B
Answer:
Renewable resource: Sunlight, water, wind,
Norenewable: coal, natural gas, oil
Explanation:
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