(I AM GIVING BRAINLIEST) Before there is a transfer of charges between objects, they are uncharged. What does this mean?

A) There are more positive charges than negative charges.
B) There are more negative charges than positive charges.
C) The positive and negative charges are equal.
D) The positive and negative charges do not exist.

What does the mass of 0.7891 mol of ferric oxide (fe2o3)

Which process transfers heat from inside earth to its surface? convection currents in mantle pulling away of tectonic plates drawing in of tectonic plates convection currents in crust

15. which of the following is not human-caused groundwater pollution? a. water in an aquifer dissolves elements such as arsenic and mercury from surrounding rock. b. water in an aquifer is contaminated by leachate that seeps into the ground from a landfill. c. water in an aquifer becomes polluted with chemicals used in hydraulic fracturing, or fracking. d. water in an aquifer absorbs harmful bacteria from the drainage field of a septic tank.