Question

The theories on the expansion of the universe

may harm science if proved invalid
may be proved invalid by new discoveries
are weakened by frequent examinations
are too durable to change when re-examined

Answer 1

@Loser66 can u help me

Answer 2

sorry I don't know

Answer 3

it's okay.. Thanks though.

Answer 4

http://skyserver.sdss.org/dr3/en/astro/universe/universe.asp

Answer 5

Think about what a theory is.

Answer 6

o ok! so is it B??

Answer 7

Do what Ryaan aid last question :)

Answer 8

What?

Answer 9

"Sometimes our guesses are correct."
"Which one you think is accurate choose it.Go with what you think ."
- Ryaan

Answer 10

but i need help. So I am asking them to u :)

Answer 11

Haha, but the question is for you!

Answer 12

ah. Thanks

Answer 13

:)