Question

What is the main idea of this text? Audio

Topsoil, the top layer of soil, is filled with important nutrients that help keep Earth’s plants alive.Audio

The best way to make sure soil is healthy and clean is to wash it regularly with water to get rid of pollution.Audio

Steve Baker, the soil scientist for the state of Ohio, is trying to help people in Ohio keep their soil healthy.Audio

Soil scientists are scientists who study soil and work to keep it in place, and their work is important to people everywhere.Audio
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Answer 1

Main idea: Soil is important for plant life because topsoil contains vital nutrients, and soil scientists (like Steve Baker) work to keep soil healthy and protect it from pollution and damage.