What Do We Mean by a Water Table?
Not far below the surface of the land there is a zone where the soil is saturated (filled) with water. The topmost level of this saturated z
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Soil
Why Do Earthworms Come out When It Rains?
Why Do Earthworms Come out When It Rains? Earthworms come to the surface of the ground in heavy rains to avoid being drowned. Earthworms sta
Are Weeds Completely Useless?
Are Weeds Completely Useless? A weed is any plant that is growing where we don’t want it to grow. For example, such weeds as dandelions and
What Makes Plant Leaves Green?
What Makes Plant Leaves Green? The green we see in leaves comes from a green substance called “chlorophyll,” which the plant uses in mak
What Is a Venus’ Flytrap?
A Venus’ flytrap is a small, insect-eating plant. The leaves of this plant can fold along the center and close up like a trap. On each leaf