Which is the best title for the passage about earthworms and soil?
Read the passage: Earthworms may seem humble, but farmers and gardeners have good reason to welcome them. As they tunnel through the ground, worms loosen the soil, allowing air and rainwater to reach plant roots more easily. They drag fallen leaves down into their burrows and feed on them, helping to break down dead plant material. The waste they leave behind, known as casts, is rich in nutrients that plants can readily absorb. By constantly mixing the upper and lower layers of soil, worms also spread these nutrients evenly. A field with a healthy worm population usually drains better after heavy rain and supports stronger crops than one where worms are scarce.
Correct answer D. The Hidden Helpers Beneath Our Feet
The passage describes the many ways earthworms improve soil and help crops grow, so a title calling them hidden helpers beneath our feet fits best.
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