All information on a line graph is as precise as the information in the data table. true or false

Compare and contrast physical changes with chemical changes.

Which best describes the present-day universe? opaque, expanding very slowly, stars produce heavy elements transparent, expanding at an accelerated rate, stars produce heavy elements opaque, expanding at an accelerated rate, stars produce only hydrogen and helium transparent, expanding very slowly, stars produce only hydrogen and helium

Name 3 types of energy you see being used as you look around a classroom