How do minerals affect soil productivity? a. minerals increase soil productivity by increasing the rate of water absorption. b. minerals in the soil can eventually be used for plant growth and production. c. minerals in the soil decrease the rate of plant growth and therefore productivity of the soil. d. minerals have no measurable effect on soil productivity.

Following archduke franz ferdinand's assassination, austro-hungarian leaders: a. aided the ottoman empire in its campaign to keep serbia under its control. b. executed nearly all prominent serbs living in austria-hungary c. threatened to invade serbia if serb leaders did not agree to a set of strict demands. d.. formed an alliance with great britain to protect austria-hungary from future attacks.