Leaf Structure

1. Waxy Cuticle – Forms a waterproof layer to stop any loss of water. 2. Upper Epidermis – Consisting of epidermal cells. These have …

Pollution

The impact of human activities on the earth has become noticeable and significant during the last century resulting from: Increasing …

Diffusion

Diffusion is the seemingly random movement of a substance from where these particles are in high concentration to where there …