Answer:
they form long chain-like molecules.
Explanation:
they combine using covalent bonds, and give off water molecules.
Answer:
D. a cause that directly leads to a normal condition without interference
Explanation:
Direct contact infections spread when disease-causing microorganisms pass from the infected person to the healthy person via direct physical contact with blood or body fluids.
Answer: [C]: "competitive inclusion" .
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Answer:
Noble gases are likely to be least reactive, because they have complete octet in their valence shell.
Halogens are likely to be most reactive, because they want only one electron to complete its octet in their valence shell.
10 the answer is number 10
