Question

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Answer 1

Explanation:

Boron-Boron is a chemical element with the symbol B and atomic number 5. ... Several allotropes of boron exist: amorphous boron is a brown powder

Chlorine-Each chlorine atom consists of 17 protons (positively charged sub-atomic particles) in the atom's nucleus (central region), balanced by seventeen electrons (negatively charged sub-atomic particles) distributed around the nucleus.

Fluorine-Fluorine is a chemical element with the symbol F and atomic number 9.

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Answer 2

Answer:

Some sea-animals like squids and octopus do not have streamlined body shape. But when squids and octopus move in sea-water, they make their body shape streamlined

Explanation:

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