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Scilla [17]
3 years ago
15

Which of the following popular sayings is an example of a true scientific theory?

Chemistry
2 answers:
algol133 years ago
8 0

Answer:

1st or 2nd options

Explanation:

Yes, carrots will help improve eyesight. The body uses beta-carotene to make vitamin A, and “vitamin A is really important, there's no question about that,” says Emily Chew, deputy clinical director at the National Eye Institute.

Warm milk because milk has small amounts of tryptophan, the raw material the brain uses to build both serotonin and melatonin. These are compounds that help us relax and prepare for sleep.

Hope this helps :D

Iteru [2.4K]3 years ago
4 0

I think the correct answer is the first option. Among the popular sayings given, the true scientific theory is the statement "Eating <span>lots of carrots will improve your eyesight.<span>" This is because many studies and researches had been done and proved that carrots really helps improve or maintain the health of the eyes.</span></span>

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Which element in Group 17 is the most active nonmetal? (1) Br (2) I (3) Cl (4) F
Maksim231197 [3]

The element of the group 17 that is most active non metal is fluorine.

The group 17 of the periodic table contains bromine(Br), iodine(I), Chlorine(Cl) and fluorine(F).

Among all the elements of the group 17. Fluorine is the smallest in size.

Because of the small size of fluorine it has the highest electronegativity in group 17.

This high electronegativity makes it a very active non metal. It provides a very high oxidizing power and low dissociation energy to the fluorine atom.

Also because of the very small size the source of attraction between the nucleus and the electrons is very high in floor in atom.

It reacts readily to form oxides and hydroxides.

So, we can conclude here that fluorine is the most active non metal of group 17.

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Afina-wow [57]

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F. Universe

Explanation:

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D. How the pull of gravity has changed.
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Which of the following is NOT a property of a base?
inna [77]

Bases turns cabbage juice yellow or green is not a property of bases.

<u>Explanation:</u>

As per the property of the bases, the correct statements are:

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Wrong statement:

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