Regions can be designated by: O A. anything that is important to study.
O B. climate
C. latitude
O D. rainfall

The lines marked by the letters a, b, and c on the map above represent a. chains of volcanoes b. earthquake fault lines c. thin strips of heavy forests d. major rivers that flow from north to south

Distance that lewis and clark traveled from st. louis to ft. clatsop near the pacific ocean.

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.