Answer:
In studying the origin of the universe, one of the primary unanswered questions is <u>what came before the big bang.</u>
Explanation:
The big bang theory can be described as a theory which scientists have proposed to explain how the universe came into existence. This theory predicts how the extremely hot temperatures and dense atmosphere might have given rise to the stars and the galaxies.
Scientists have no idea what happened before the big bang theory. Some scientists predict that there might be another universe which collapsed before the big bang theory. While other scientists claim that there was nothing before the big bang.
Not just a woman, but any astronaut:
The air in the suit would rush out, lungs will collapse and you will pass out in 15 seconds (That's how long it takes the body to use up the oxygen). Death by oxygen deprivation
For number 1 is cyanobacteria
For number two is D
For number 5 I think is the striking similarities at early development stages is evidence that they came from a common ancestor.
I hope this helps.