Answer:
The density of the substance is 2, 14 g/ml.
Explanation:
The density (δ) of a substance is the relationship between its mass and its volume. It is calculated in this way:
δ= m/v= 75 g/ 35 ml= <em>2, 14 g/ml</em>
Answer:
Oxygen
Explanation:
During aerobic respiration, oxygen combines with hydrogen ions to form water that is released as a by-product. The hydrogen ions are oxidized and oxygen reduced to form water. The glucose molecule is broken down into carbon dioxide, water and ATP energy the is used by cells. The carbon dioxide diffuses into the environment and is used during photosynthesis.
1. Any of a group of complex organic macromolecules that contain carbon, hydrogen, oxygen, nitrogen, and usually sulfur and are composed of one or more chains of amino acids. Proteins are fundamental components of all living cells and include many substances, such as enzymes, hormones, and antibodies, that are necessary for the proper functioning of an organism
2. C. Fat is the correct answer
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predators, since it is rich in biodiversity