The big five mass extinctions

Biologists suspect we’re living through the sixth major mass extinction. Earth has witnessed five, when more than 75% of species disappeared. Use this article to investigate how the Earth has changed over time long before humans arrived. It is suited … Continued


Topics: Chemical Sciences – Mixtures and Separation Earth and Space Sciences – Extreme Earth Events; Plate Tectonics; Climate Change Physical Sciences - Energy  Additional - Careers Concepts (South Australia): Chemical Sciences - Properties of Matter Earth and Space Sciences - The … Continued