Answer:
weed means which feed on plants and takes nutrients from them weed also stops the growth of plant
so we have to uproot weed
They are changed because of the environments changing
Answer:
Glucose
Explanation:
Photosynthesis requires sunlight, carbon dioxide and water to produce glucose. This simple sugar is a carbohydrate that combines with other sugars to form the plant's structure and stores energy for future use. Hope it's useful!