Can someone help me please

If a planet rotates 360 degrees during a 24 hour time period, what does that tell us about the planet? a. the middle of the planet is in darkness b. the seasons on the planet vary every day. c. the planet runs on a 12-hour time clock. d. the temperature on the planet varies daily.

How many electrons does silver have to give up in order to achieve a sido noble gas electron configuration

Stage in which a typical star has completely stopped fusion