Answer:
c. 2 and 3
Explanation:
Ca(NO3)2 names calcium nitrate.
Ca metal, O, N - nonmetals, so Ca(NO3)2 is ionic compound.
It is solid and white.
mater is made of both atoms and particles
The life cycle of a tree provides us with a good example of recycling in nature<span>. Leaves fall from trees and form leaf litter on the forest floor. </span>
The gas laws explain how <u>ideal</u> gases <u>are</u> . There is actually no such thing as an ideal gas, but these laws still explain generally how gases behave. The separate laws combine into an <u>equation</u> ”.
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Answered by Benjemin