can someone pls press my account and help me with my questions? please? i really really need the help. i don't want to fail :

Avariable that is positioned between the independent variable and the dependent variable but does not interact with either to affect the relationship between them is called a variable. select one: a. moderating b. spurious c. mediating d. causal

Arecent strip mall land development project included large amounts of paved surfaces. as a result of this project, groundwater levels in the developed area will most likely a. increase due to sealed artesian wells b. decrease as aquifers are not recharged c. decrease due to decreased surface runoff d. increase due to loss of unconfined aquifers e. increase due to a decrease in demand for fresh water

Which soil horizon, also known as the zone of accumulation, is enriched in clay, iron oxides, silica, carbonate, and other materials?