3 years ago

An _____ is a substance that protects vulnerable molecules from free radicals.

1 answer:

4 0

I believe the correct answer is antioxidant. An antioxidant is a substance that protects vulnerable molecules from free radicals. Antioxidants are man-made or natural substances that may prevent or delay some types of cell damage due to free radicals.

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Describe one way the respiratory and nervous system work together

DiKsa [7]

<h2>♨ANSWER♥</h2>

The respiratory system supplies oxygen to the blood and removes carbon dioxide. The brain monitors respiratory volume and blood gas levels. The brain regulates respiratory rate.

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2 years ago

Which elements have similar behavior? barium silicon aluminum strontium osmium beryllium

victus00 [196]

Answer:

Barium, strontium and beryllium, all belong to the group 2. Silicon belong to group 14. Aluminium belong to group 13 and Osmium belong to group 8. Hence, the elements which have similar behavior are Barium, strontium and beryllium.

Explanation:

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3 years ago

Why can't store gases in open containers

tresset_1 [31]

Answer:

They may react in the air and become an acidic gases.

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3 years ago

Megan prepares a pitcher of lemonade by adding a quarter cup of granular sugar to the mixture. Which action should she take so t

Monica [59]

The answer will be C

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3 years ago

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umka21 [38]

Answer:

False

Explanation:

Lead sulfate is insoluble in water and sinks in water

(sorry if it's wrong)

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3 years ago