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Natalija [7]
3 years ago
9

17.Observe the given figure carefully-

Chemistry
1 answer:
SpyIntel [72]3 years ago
7 0
A brings light together and B spreads it out. A is convex and B is concave.
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In order to become stable, Potassium, K, will _______ and have a resulting charge of _____.
svlad2 [7]

Answer:

D

Explanation:

it doesn't matter how many protons k has all the answers have electron with the positive charge when is negative the question is trying to distract you D is the only one that would use the electrons sign correctly

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Less energy was entering Earth's
ololo11 [35]

Answer:

The temperatures on Earth increase

Explanation:

more energy results in more heat.

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Complete the word equation for making a salt.
dalvyx [7]

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acid +alkaline =salt and water

Explanation:

if an acid reacts with an alkaline they form salt and water

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Gold is used for making ornaments give reason <br><br>​
Lena [83]

Answer:

they are nice to look at....

Explanation:

Gold does not tarnish, rust or corrode. Due to its wonderful qualities and its luster, gold is considered the most important metal in jewellery making. As pure gold is too soft for everyday wear, it is alloyed with a mixture of metals in order to make the gold harder, so it can be used for jewellery.

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8 0
2 years ago
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The observed brightness of a star depends on which factors?
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b..............

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