'Www air' diaporamas de présentation

Rent a flat?

455 views • 30 slides

Respiratory System

Respiratory System . By: Jordan Whelchel& Matthew May. The function of the human Respiratory System is to transport air into the lungs and to facilitate the diffusion of oxygen into the blood stream. There are many special systems in our bodies that help us to live and function properly.

177 views • 7 slides

Acid Rain

Acid Rain . By Amal Dualeh 7D-Science. What is Acid Rain?. Acid Rain is rainfall that is contaminated with pollution, causing it to have high levels of acid (low pH). What causes Acid Rain?.

380 views • 6 slides