Leachate is produced as:

Question

Rainwater absorbs water-soluble compounds in layers of trash
Plastic flows into ponds and streams
Toxic waste is emptied into ponds and streams
Metal comes into contact with water

Answer 1

Leachate is typically produced as rainwater percolates through layers of trash and other waste material, absorbing water-soluble compounds along the way. This leachate can contain a range of chemical contaminants, depending on the type of waste it has come into contact with. So, the correct answer to your question is "Rainwater absorbs water-soluble compounds in layers of trash".