Answer:
the reason why Mars is red is because of its regolith, or surface material, contains lots of iron oxide — the same compound that gives blood and rust their hue
The two things are hypothesis and empirical evidence
Answer:
for more details are in the pic
Answer:
(C3H4O3) x 2 = C6H8O6, the molecular formula for Vitamin C.
Physical properties are properties that change form but not it's chemical compound
chemical properties are properties that change in chemical substance like burning tearing