Which of the following statements about the sun's features are true?

prominence's look dark in regular photographs.

solar flares form when prominence's connect.

the number of sunspots on the suns surface is always the same.

sunspots can greatly increase the solar wind.

Me i dont know what to do! the table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.

Which of the following is an indication that a substance has undergone a chemical change? a. no new product has been formed. b. the color of the substance has not changed. c. the original constitute has not changed. d. the molecular structure has changed.

What are the two largest greenhouse gases