Answer:
Adding tin to copper during melting changes the properties of the metal. The larger tin atoms restrict the movement of the copper atoms, making the material harder.
Explanation:
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certain hydrogen bonds are formed so that A goes with T and G with C
1. Organic compounds that contain carbon, hydrogen and oxygen and are the main source of energy for the body.
= CARBOHYDRATES
2. Inorganic substances found in foods needed for growth, regulation and development.
= MINERALS
3. Organic substances found in foods that aid enzymes. = VITAMINS
4. Fats, oils, and waxes that are insoluble in water. = LIPIDS
5. Organic compounds composed of amino acids that form the structure of the body.
= PROTEINS
6. Proteins that help drive the chemical reactions that occur in the body.
= ENZYMES
7. The conversion of the energy found in foods into a usable form of energy for the body.
= METABOLISM
<span>The Answer is D. Maintaining Structure</span>
Answer:
The differences arise because it actually takes the Earth around 365.25 days to make a full orbit. This value is rounded down for the sake of our timekeeping.
Explanation: