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Arte-miy333 [17]
2 years ago
9

The eye is connected to the brain by nerves. A. True B. False

Chemistry
2 answers:
Vikentia [17]2 years ago
4 0

the answer is A..which is true

Sunny_sXe [5.5K]2 years ago
3 0
Your question answer is true The optic nerve connects the retina to the visual cortex in the back of the brain.
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A pure gold ring weighs 23.5 grams. How many atoms of gold<br> are in the ring?
Digiron [165]

The number of atoms of gold in the pure ring are 7.18 × 10²² atoms.

<h3>HOW TO CALCULATE NUMBER OF ATOMS?</h3>

The number of atoms in a substance can be calculated by multiplying the number of moles of the substance by Avogadro's number.

The number of moles in the gold (Au) can be calculated by dividing the mass of gold by its molar mass (196.97g/mol).

no. of moles = 23.5g ÷ 196.97g/mol

no. of moles = 0.119mol

Number of atoms in Au = 0.119 × 6.02 × 10²³

no. of atoms = 7.18 × 10²² atoms.

Therefore, the number of atoms of gold in the pure ring are 7.18 × 10²² atoms.

Learn more about number of atoms at: brainly.com/question/15959704

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3 years ago
Magnets are classified based upon how they occur either naturally or man made true or false
slega [8]

Answer:

True

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Permanent artificial, temporary artificial and natural. They are classified by the way in which they have achieved magnetism and by how long they remain magnetic.

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