Question

which is the top layer of groundwater?
○ water table
○ kettle lake
○ saturation zone
○ underground lake

Explanation:

To determine the top layer of groundwater, we analyze each option:

• A kettle lake is a lake formed by glacial activity, not related to groundwater layers.
• The saturation zone is where all pores are filled with water, but it's below the water table.
• An underground lake is a rare occurrence and not the typical top layer of groundwater.
• The water table is the upper surface of the zone of saturation, marking the top layer of groundwater.

Answer:

A. water table