Krista was most likely try to see how the amount of time she took to study reflected in her quizzes. She would most likely have higher scores if she studied longer. There is no information given on how her math scores are or how long she studies math so I can’t answer the third question. There’s no best way to study; everyone is different. Some rewrite notes and others make flash cards. You may like to be quizzed by someone. It just depends what works best for you.
the nitrogen have oxidation of <u>NO2</u>
Your answer would be Element!!
Answer:
Barb tested the streak and luster.
Explanation:
Pls mark brainliest