You have 20.0 g of elemental sulfur, S., and 16.0 g of O, for the reaction 1 S, +80,— 8SO, How much SO, (in grams) will be formed

Which of the following might a chemist choose to study? a. glacier movement in alaska b. better ways to recycle plastics c. the effects of hurricanes on turtle populations d. the vibrations in bridges caused by big trucks

What are scientists who study fossils called? ( a ) astronomers. ( b ) biologists. ( c ) geologists. ( d ) paleontologists.

Ahypothesis must be testable and falsifiable to be considered scientific a. trueb. false