Students add 30 mL of water to three different soil samples and measure the amount of water that drains from each soil into a beaker. According to the results of the investigation, which soil sample is most likely gravel?

The soil that has more gravel is the soil that allowed less water to be collected.

Explanation:

Gravel has the function of retaining water in a soil. Thus, the gravel makes it difficult to drain the water, leaving it stuck in the soil. In this case, students will not be able to collect much water from the soil sample that has more gravel. In other words, the soil with the most gravel has the least amount of water collected.