What is the molecular formula of the molecule that has an empirical formula of ch2o and a molar mass of 120.1g/mol

Which of the following observations indicates that there is a small, dense, positively charged part in the center of an atom? some uncharged particles are scattered by a gold foil. all uncharged particles are attracted towards a gold foil. all positively charged particles pass straight through a gold foil. some positively charged particles bounce back from a gold foil.

What produces wave a)sound b) heats c)transfer of energy d)vibrations

Take a look at this dandelion. the yellow flower on the right is pollinated and the seeds on the left are transported by