Answer:
Double and triple covalent bonds occur when four or six electrons are shared between two atoms, and they are indicated in Lewis structures by drawing two or three lines connecting one atom to another
Explanation:
Answer:
The inhalation of mercury vapour can produce harmful effects on the nervous, digestive and immune systems, lungs and kidneys, and may be fata
Explanation:
Answer:
both plant and animal cells must break down food molecules to get energy from them
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Hello!
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❖ The sky appears blue because molecules in the air spread blue light from the sun.
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