A closed system is completely closed to the outside environment. Every interaction is transmitted inside that closed system.
Answer:
B: Inserting a gene from a flounder into salmon DNA to produce antifreeze proteins.
Explanation:
Hope this helps.
Answer:
28
Explanation:
it states that the atom is neutral, meaning the number of electrons and protons are the same. so if there are 13 electrons, there are 13 protons. And the mass number is neutrons plus protons. So 13+15 is 28
8.4 grams. I think but I’m not 100% sure
i think the answer is B. They have low reactivity.Hope this helped (:
