Have an assignment about how many atoms are in a roll of reynold heavy duty aluminum foil. i am not sure how to start? !

Which object forms when a supergiant runs out of fuel? a red giant a black hole a white dwarf a neutron star

Which class of molecules functions as chemical signals? hormones water carbohydrates proteins

Need asap question 1 minerals are organic compounds. true false question 2 what vitamin can be found in foods like oranges, grapefruits, and broccoli? a. vitamin a b. vitamin k c.vitamin c d. vitamin d question 3 what are minerals? a. chemical elements that are needed for body processes. b. organic compounds that the body needs in small amounts to function properly. c. small molecules used to build proteins. d. an organic compound that is insoluble in water and includes fats. question 4 how many types of vitamins does the human body need? a. 15 b. 11 c. 13 d. 17 question 5 vitamins are a good source of energy. true false