The term you're referring to which scientists implement to describe "different forms of life on Earth" is perhaps "Organism".
Answer:
i think its this one c. They indicate the sex of an individual.
Answer:
C. The universe coalesced into one solar system after the Big Bang.
Explanation:
This is true because, since she is writing about Big Bang theory, she would have to include how the universe was able to expand to one solar system made up of different planetary bodies. This explanation would help someone reading her writeup to understand what the Big Bang theory is all about.
She might discuss what she needs to not have it hurt that is called a epidural!