GEOLOGY

Detailed explanation-1: -A scientist is observing surface groundwater features to determine sources of groundwater. Which is one surface feature that the scientist can observe and map? In a field, water flows down through the soil and then through a layer of loose rocks before the flow stops.

Detailed explanation-2: -A spring is a natural flow of groundwater to Earth’s surface in places where the ground surface dips below the water table. Wells and springs are classified into two groups-ordinary and artesian.

Detailed explanation-3: -What most likely happens if water flows through a permeable soil layer and reaches a clay layer? It pools on top of the clay layer. A water feature that could be a source of groundwater for humans is found at a location on a hillside where Earth’s surface is lower than the water table.

Detailed explanation-4: -Ordinary springs are usually found in rugged terrain where the ground surface drops below the water table. These springs may not flow continuously if the water table in the area has an irregular depth as a result of variable rainfall.