Answer:
C. naturally uncombined with other elements.
Explanation: Calcium is a chemical element with the symbol Ca and atomic number 20. As an alkaline earth metal, calcium is a reactive metal that forms a dark oxide-nitride layer when exposed to air.
Hmm.... Oxygen support combustion. Other than that, rusting occur when oxygen is combined with metal. When iron rusts, it combines with oxygen. Hope it helps.
Answer:
Option A is definitely the correct answer.
Explanation:
from my analysis
( Just fill those words into each dash or empty space accordingly as you saw it )
Good luck
If the earth's orbit is far from the sun, then, its rate will be slower than when it is closer to the Sun. When gravitational field lines get closer together,
the magnetic force is strong. We
know that the heavier the body is, the stronger its gravitational pull.<span>
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I'd say her weight would be on the moon is 50 Pounds.
I hope this helped! :>
