Which of the following is not a part of dalton's atomic theory? select one: a. atoms of the same elements are identical b. all elements are composed of atoms c. atoms combine in simple whole number ratios d. atoms are always in motion

Which function is performed by earths atmosphere? a. ultraviolet rays are prevented from reaching the ozone layer. b. earths temperature is raised and moderated by trapping in heat c. charged particles from the sun are prevented from reaching earth. d. magnetic charges from space are prevented from reaching earths surface.

Which traits do human embryos have that link them to a common ancestor with fish and reptiles? a. scales and tail b. gill slits and scales c. tail and gill slits d. hair and tail

Ihat will happen if i added baking soda to vinegar