15. D is correct, exothermic reactions release heat
I am not sure about 16
Answer:
Polymerization is a process through which a large number of monomer molecules react together to form a polymer. The macromolecules produced from a polymerization may have a linear or a branched structure.
Explanation:
Answer:
it is A trust me I know thank you
Multiple states of matter - mixture
Same state of matter - pure
Separated physically- mixture
Consistent properties - pure
Can’t be separated- pure
Can’t be a single element - mixture