Answer:
a delayed neutron is a neutron emitted after a nuclear fission event, by one of the fission products (or actually, a fission product daughter after beta decay), any time from a few milliseconds to a few minutes after the fission event.
Explanation:
D. several because poly means many or lots
Answer:
Compounds that have the same molecular formula but different chemical structures are called isomers.
Answer:
cold
Warm air lifted over a moving cold air mass will produce a _____ front.