Question

1)what are (2) classes of matter
a.)Atom and Molecule
b.)Element and Compound
c.)Plant and animal cells
d.)Substance

2)which is true regarding water
a.)compound of element
b.)element of gases
c.)mixture of gases
d.) substances of gases

​

Answer 1

Answer:

element of gases

c.)mixture of gases

d.) substances of gases

Answer 2

Answer:

1ans substance

2 is compound of elements