Lecture Slides on Cell Biology Kedir W. (M.Sc. Molecular Biology and Biotechnology) Department of Biology Hawassa University 1 Cell Biology Cell is the basic, structural…
1. ABOUT OUR UNIVERSE 2. The Big Bang is the prevailing cosmological theory of the early development of the universe. Cosmologists use the term Big Bang to refer to the idea…
1. 1. What is the atmosphere?The atmosphere is the air which surrounds the Earth.Air is a mixture of gases. It is mainly nitrogen andoxygen. There are also small quantities…
Slide 1 Slide 2 Air Pollution Chapter 18 Slide 3 Core Case Study: South Asias Massive Brown Cloud Asian Brown Cloud Causes clearing and burning forest for planting crops…
Slide 1Air Pollution, Climate Disruption, and Ozone Depletion Chapter 15 Slide 2 WHAT IS THE NATURE OF THE ATMOSPHERE? Slide 3 The atmosphere consists of several layers –The…
1.Ecology and Environment By Geonyzl L. Alviola2. Line up oftopics -Earth- Ecosystem - The Abiotic andBiotic Factors - Types of Ecosystem - BiologicalCycles in the Ecosystem…
1. EcosystemsandGlobal Ecology 2. Compartments of the Global Ecosystem Earth is a closed system with respect to matter, but open with respect to energy. Many of these processes…
1. EARTH 2. History of Earth • Earth and the other planets in the Solar System formed 4.54 billion years ago. • About 535 million years ago there have been five mass…
Killing Gaia� (Planet Pictures)� Earth.. Is the only planet with water, atmosphere, life? What are we doing with it? Soon to become another planet barren, lifeless? Image…