Answer:
Physics is the basic physical science. Physics can, at base, be defined as the science of matter, motion, and energy. Its laws are typically expressed with economy and precision in the language of mathematics.
Chemistry is the study of matter and its interactions with other matter and energy. Matter is anything that has mass and takes up space. Matter can be described in terms of physical properties and chemical properties. Physical properties and chemical properties of matter can change
Explanation:
To be honest, I think it might possibly be the third option. I hope this helps.
Answer:
It describes what the narrator knows from his past.
Explanation:
