Answer: in order for a scientific investigation to be valid A hypothesis must be tested throughout a Scientific investigation that can gather evidence and support it.
Explanation: in any scientific investigation you have to have a testable hypothesis, without your hypothesis it’s not really a scientific investigation.
Hope this helped!
Answer:
The big bang theory is states that <u>universe began as just a single point, then expanded and stretched to grow as large as it is </u><u>right</u><u> </u><u>now.</u>
<em><u>Hope</u></em><em><u> </u></em><em><u>this</u></em><em><u> helps</u></em><em><u>.</u></em><em><u>.</u></em><em><u>.</u></em><em><u>.</u></em><em><u>.</u></em><em><u>.</u></em><em><u>.</u></em><em><u>.</u></em>
I think the answer to this is abyssal plane
