Question

question 3 (5 points) listen which process causes wells on land to become saline, making them unusable for drinking water? a) eutrophication b) erosion c) echo sounding d) groundwater infiltration question 4 (5 points) listen

Explanation:

Question 3

• Option A: Eutrophication is about nutrient enrichment in water bodies, causing algal blooms, not saline wells.
• Option B: Erosion is the wearing away of land, not related to well salinity.
• Option C: Echo sounding is for measuring water depth, irrelevant here.
• Option D: Groundwater infiltration can bring saline water (e.g., from coastal areas or saline aquifers) into wells, making them saline.

Answer:

D) Groundwater infiltration