What was a result of efforts by the U. S. and Canadian governments to improve water quality? Question 1 options: increased sugar maple production the resurgence of some fish populations increased hydroelectric power a depletion of several salmon species

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.