Explanation:
i think the answer is iron
The answer is not a because all RNA contains ribose. The answer is not c because all RNA contains uricil And the answer is not D because all RNA is single-stranded. Therefore the answer is B
Answer:
space
Explanation:
they figured it out going to space and since a star is a small peice of the sun they can't touch it it's impossible without getting heat burns or dying so they ither observe a star using a telescope or went to space for days
True, everything is made up of matter