Outdoor Wallpapers News

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How it works

galaxies

A galaxy is a system of dust, gas, and stars that collects over a very large area. Gravity binds the objects in a galaxy together. Within each galaxy are billions of stars. ... read more

do fish sleep

Fish do go to sleep, but in a rather different way to humans. ... read more

types of plants

There are many kinds, shapes, and sizes of plants on Earth. Among them, algae, mosses, liverworts, ferns, and some trees are non-flowering plants. Among the flowering plants are the grasses and other non-woody, herbaceous plants. Shrubs, some vines, and many kinds of trees are woody plants. ... read more

plant movements and adaptations

Plant Movements ... read more

reactions

Chemical Reactions ... read more