I need some help on this pls

Explain the value of statistics and other data to positive economics and to normative economics

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.

Soil is made of air water organic material minerals weathered rock