Please Assist me in answering these Question: they will be on the test.?

Question

my teacher gave us these ?s and he said they will be on the test and I really want to get them right please help if you dont mind!

1) on which planet is a large portion of the surface covered by liquid water? (a)mercury (b) venus (3)earth (4)mars Im pretty sure its earth because its 70% water. am I right?

2) stars like Earth's sun most likely formed from

(1)nebula (2)supernova (3)red giant (4)black dwarf. I think its nebula?

3)A comparison of the age of Earth obtained from radioactive dating and the age of the universe based on galactic red shifts suggests that (1)earth is about the same age as the universe

(2)earth is immeasurably older than the universe (3)earth was

formed long after the universe began (4)the two dating methods contradict each other. I think its choice 3?

Answer 1

Amazingly ur all right!!! Good Luck!