Why is it important to be able to predict the future population of a settlement?

Explain the cause for movement river valley civilization to early industrial centers

What are the answers for the following questions?

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.