The answer is C it's "Comma and a subordinating conjunction."
have a great day!!!
Make eye contact around the room, be enthusiastic, dont slouch, never have back towards audience
1. A source of oxygen
2. Something to control temperature; we humans need a temperature that is neither too hot nor too cold.
3. Protection from sunlight
4. Water
5. Food
A) According to the author, the 70s were a very interesting time to grow up.
