Biology essays
Four Major Organic Polymers
Cells can be considered as the basic unit of an organism composed of carbon-containing molecules, water, and inorganic ions. Fundamentally, the interaction between cell constituents and water plays a...
Uses of Ultraviolet Rays (UV)
When rays reach the Earth, they change their property at the Earth’s atmosphere, and are partly absorbed by ozone, small droplets of steam and air components such as oxygen,...