In the chemical formula H2O , which description explains what the 2 represents?
O the number of oxygen atoms
O the number of water molecules
the number of hydrogen atoms
o
the electrical charge on the water molecule

PLEASE ANSWER AND QUICKLY IM TIMED ON THIS TEST

the density of gold = 19.3 g/cm3

the relation between density and mass and volume is

density = mass / volume

given :

mass of gold = 13 g

density = 13g / volume = 19.3

volume = 13 /19.3 = 0.67 cm^3

thus volume of gold nugget = 0.67 cm^3

they all get energy from eating other animals, dead animals to be more precise.

hienas tends to steal pray from other animals. crows and vultures tend to eat dead animals and leftovers.

hope it ,

bioteacher101