All characteristics of life rely on the sun.
answer: The raw materials of photosynthesis, water and carbon dioxide, enter the cells of the leaf, and the products of photosynthesis, sugar and oxygen, leave the leaf.
Explanation:
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D because to help preserve environment everyone has to work together
protein digestion begins when you first start chewing. there are two enzymes in your salvia called amylase and lipase. they most break down carbohydrates and fats. Once a protein source reaches your stomach, hydrochloric acid enzymes called proteases break it down into smaller chains of amino acids
In order to conduct a research you should have an dependent variable, independent variable and the control variable. so in order to study phototropism, then you should need sun light and the growth of the plant and you must have a control that why you need a dark room.
