I the elf, Angel Williams um elfina personally witnessed someone being VER naughty back at the north pole, so I was coming out of santas workshop to deliver the Naughty and Nice list to the head elf and guess who I see? MRS. CLAUS SLIDING DOWN THE NORTH POLE FOR FROST THE SNOWMAN?!?!!?!

Observation and experimentation have led many scientists to accept a theory about the origin of the universe. this theory is called the big bang theory. scientific evidence collected and observed by scientists around the world suggests that the universe is ever expanding from a hot and dense initial state. what makes this a scientific theory? (2 points)

Which of the following statements are incorrect?

Dumbledore decides to gives a surprise demonstration. he starts with a hydrate of na2co3 which has a mass of 4.31 g before heating. after he heats it he finds the mass of the anhydrous compound is found to be 3.22 g. he asks everyone in class to determine the integer x in the hydrate: na2co3·xh2o; you should do this also. round your answer to the nearest integ