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...

Ultraviolet

Introduction 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...

Geology Field Report

The coastline of Pembrokeshire displays greater scenery and rocks than any similar area in Britain with an exposure of over 250 miles. The underlying rocks, making the landscape, are...