Approximately how far apart are the capitals of the united states and algeria?

What is the approximate chemical composition of the solar nebula?

Which of the following is true of all geographic locations on earth?

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.