Answer:
- 1) Somewhere it billion years ago it was considered that there were no air , no earth , no sky , no sun , not even light . The universe was a highly dense and infinitesimally small lump . Suddenly,There was a big explosion.The"Big Bang ".And then was light . That probably was the beginning____ The beginning of matter,The beginning of light and the time !!.
- 2) The big crunch is a hypothetical scenario for the ultimate fate of the universe.
<h2>Hope this helps u :)</h2><h2>Not cheated nor copied answer .</h2>
The answer to your question is the first one
A. The passage of genetic instructions for one generation to the next
<span>The Earth is thought to have been formed about 4.6 billion years ago.</span>
A similar gas to Nitrogen would be Phosphorus as it is in the same group as Nitrogen. The least similar would be Neon as it os a very stable noble gas in a different group.