How do i solve r+3-s if r=5 and s=6?

Landmasses on a flat map look distorted because

How can minerals crystallize from materials dissolved in water? check all that apply.

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.