<span>Some bacteria in the soil fix nitrogen into useful forms for plants to use them. This conversion of nitrogen helps plants grow. Without the bacteria in the soil a lot of the plants would not be able to grow.</span>
Theories are educated guests that are tested by experiments
The central vacuole in a plant cell takes up most of the space. The vacuole stores wastes and nutrients, and also provides support and structure for the cell.
It is a tectonic plate, it is constantly moving and shaping the Earth's crust.
Vegetation reproduction <span />
