The nucleus of an atom contain protons and neutrons, which make up most of the mass of an atom.
The answer would be 2 and 3 ( 2nd answer choice)
Answer:
if im correct its a conductor
Explanation:
A material that allows an electric charge to pass through it easily is called a Metals such as iron, steel, copper, and aluminum are good conductors.
Answer:
I don't know. but a human can swim inside an blue whales main heart aterary comfortably.
Explanation:
plz mark me brainlyist :)
Wait what’s a water table then I can annswer
The activity of some enzymes requires vitamins. This is because vitamin derivatives contribute to the biochemical mechanisms of these enzymes. These vitamin derivatives belong to a class of molecules known as cofactors, which are organic molecules (called coenzymes) or metallic ions, that assist in the catalytic activity of an enzyme.
