I do believe the answer is A. Hope this helps.
You may feel cold when you touch certain kinds of matter because some matter gives off cold air. I’m NOT SURE
Correct, it is a start of a experiment, something that is asked first.
Answer:
Both electrons of Mg should be transferred to one O.
Explanation:
This is because metals like to lose electrons whereas non metals like to gain electrons in an ionic compound. MgO is an ionic compounds. So Magnesium being a metal in group 2 of periodic table, it wants to donate 2 electrons to get to the octet rule, so it donates its electrons and oxygen accepts them to fill its octet rule.
Answer:
C
they store genetic information