The answer is D. Rubber. Because A, B, and C are metal materials that will insulate heat without any gaps. Hope this helped!
Nitrogen accounts for 78% of the atmosphere, oxygen 21% and argon 0.9%. Gases like carbon dioxide, nitrous oxides, methane, and ozone are trace gases that account for about a tenth of one percent of the atmosphere
A
This is a compound composed of carbon and oxygen, known as carbon monoxide.
Answer:
3
Explanation:
3 different elements are found
Mg - magnesium
O -oxygen
H - hydrogen
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mark brainliest
It is clearly (a) is Einstein's equation