Which geographical characteristic most encourages an increase in the population density of a region? a. high elevation b. rugged terrain c. a lack of wildlife d. available drinking water

Ahis which describe the horizons in a soil profile? check all that apply. horizon a is mineral deficient. bedrock lies below the soil layers. te horizon o forms from organic material, horizon b undergoes the least amount of change. horizon c is least affected by the soil formation process.