PLS HELP ASAP. *IF* THE ANSWER IS CORRECT I'LL MARK YOU AS BRAINIEST: Which is an example of mechanical weathering?

a) iron oxide

b) water moving over rocks

c) limestone cave formations

d) hydrated minerals

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.

The agent of mechanical weathering in which rock is worn away by the grinding action of other rock particles is call

When svante arrhenius first proposed his acid-base theory, he was a doctoral candidate. his professors thought his ideas were unfounded. within a decade, the arrhenius theory of acid-base was widely accepted and praised within the scientific world. arrhenius defined acids as compounds having ionizable hydrogen and bases as compounds with ionizable a) barium. b) hydronium. c) hydroxide. d) oxygen.