You would use this number, 6.02×1023 (Avogadro's number) to convert from particles, atoms, or molecules to moles. Whenever you go to the mole, divide by Avogadro's number. When you go to the unit from moles, multiply by Avogadro's number.
The iupac name is ethylene glycol
Answer:
B. it is a community of plants,animals and there physical surrounding.
I would say b and d but I wouldn’t really know :/