20 points

1.) hess used seafloor spreading to explain the flat topped guyots where once mountains that had been subject to erosion above sea level.

a) true
b) false

2.) seafloor spreading is the mechanism for wegener's drifting continents.

a) true
b) false

Determine the empirical formula of a compound containing 40.6 grams of carbon, 5.1 grams of hydrogen, and 54.2 grams of oxygen. in an experiment, the molar mass of the compound was determined to be 118.084 g/mol. what is the molecular formula of the compound? for both questions, show your work or explain how you determined the formulas by giving specific values used in calculations.

Nonpoint source pollution is difficult to control because it

650.j is the same amount of energy as? 2720cal1550cal650.cal2.72cal