What can astronomers determine by analyzing the light a star emits?

Where in the ATOM are the protons and neutrons found?I Which is held constant when a gas obeys Boyle's law?A. motionB. pressureC. temperatureD. volume Match them help please 48g of magnesium reacts with four moles of sulfuric acid. determine which reactant is the limiting reactant What are the coordinates of point K after the translation (x, y) ---> (x + 2, y + 5) Rey paid $91 for a watch that was on sale for 30% off. Grace and Curtis were debating how much the original price was. Grace said it would be $118.30 but Curtis said the original price should be $130, which person do you agree with? Why? if any body does Lincoln Douglas debate, please let me know because I could use some help with how wording on part of my case. A man spent 58% of his income and the amount of money left was $210.00.Find his income. Amy glued purple ribbon around the edge of her circular mirror. She used63 inches of ribbon. This was just enough to go once around the mirror. Whatis the approximate diameter of her mirror? Evaluate the expression when x-65x + 3- 3Please explain too! I will give Brainiest Montel uses 8 oz of sugar to make 36 fluid ounces of lemonade if it makes 180 fluid ounces of lemonade to bring to a party how many ounces of sugar will he use If the food on the island is small seeds, what finch is best adapted? Explain why Simplify.3y - 4x + 6x - yThe simplified expression is??? 1. Temperature: Which number from the following list of temperatures (indegrees fahrenheit) is the coldest?171527 HELP PLEASE!! BRAINLIEST AND POINTS11. Negative norms occur whena.people reject positive norms.b. the norms apply to only a few people.c. no one community establishes the norms.d. people in a group regularly participate in negative behaviors. If 9x - 11= 12, what is the value of 6x ? 72 32 + 4 HELPPPP PLS Write an informal definition of half-life. plzzzzz help on this One reason that Andrew Jackson was appealing to the common citizen was because hewas wealthy, but humble.was born in a log cabin.worked with war heroes from the revolution.worked closely with high profile politicians.