Which device can change the force of steam into mechanical energy for driving a generator and producing electricity? a. fuel rod b. hydrogen cell c. turbine

1) this is the structure in the cell nucleus that houses a cell's genetic information

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.

Which is an example of the practical pursuit of alchemy? a. forming perfect substances. b. transforming base metals. c. developing metalworking techniques. d. linking spiritual characteristics with material substances.