L.A HELP PLEASE ASAP!

1. If you took a class that focused on the study of the earth, what root word would you most likely see in the course name?

Astro
Bio
Geo
Mono

2. Select the suffix you would find in a word indicating a person who.

Dom
Ism
Ist
Ology

3. What is the combined meaning of the root word and suffix in the word bibliophile?

Someone who loves books
Someone who hates books
Someone who loves life
Someone who hates life