Name one effect of the Age of Revolutions on Europe's culture

Renewable resources of west and central africa include:

What is the approximate chemical composition of the solar nebula?

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.