Answer:
B. Prokaryotes do NOT have a nucleus.
Most atoms have more neutrons than protons which accounts for basically half of the nucleuses mass.
Answer:
B) irreversible process
Explanation:
The process given here is irreversible.
The coefficient in a chemical formula represents the amount of each chemical present. The amount of a substance is measured in moles.
Explanation:
According to the law of the conservation of mass, 'mass is conserved in a chemical reaction. The mass cannot be created nor be destroyed in a chemical process'.
This law holds true for the burning of wood also. Although the wood burns to produce ash which weighs less than wood but also, it produces some soot and other gases and the sum of the masses of all these is equal to the sum of the masses of wood and oxygen that reacted with it.
