Transverse waves is the secondary wave.
Red bone marrow. Oxygen and carbon dioxide bind to different parts of the hemoglobin
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Answer:Carbon has four valence electrons, so it can achieve a full outer energy level by forming four covalent bonds. When it bonds only with hydrogen, it forms compounds called hydrocarbons. Carbon can form single, double, or triple covalent bonds with other carbon atoms.
Explanation:
Answer to this is copper wire
