University of Khartoum Institute of Environmental Sciences Dip/ M.Sc in Enviromental Sciences Fundamentals of Environmental Science By: Dr. Zeinab Osman.
Covalent Bonding Results from the sharing of electron pairs between two non metal atoms.
Ch. 12 Interaction of Life. Living Earth Biosphere – The part of the earth that supports life –Includes the top portion of earths crust, all the waters.
CHAPTER 2 AP CHEM. 2.2 REVIEW 1.Atomic Number, Mass Number, Atomic Symbol Atomic number, Z, is the number of protons An atomic symbol represents the element.
Forest ecosystems
Forests Today, forests occupy approximately one-third of Earth’s land area, account for over two- thirds of the leaf area of land plants, and contain about.
Lecture 15 Explosive Nucleosynthesis and the r-Process.
Intro to Corrosion Engineering
I. Biogeochemical cycles
Plain Carbon Steels
BIOMES OF THE WORLD. BIOME -large geographical area of distinctive plant and animal groups which are adapted to that particular environment. LIMITING-climate.
BIOGEOCHEMICAL CYCLES 4.4. WATER (Hydrologic) CYCLE It is a “redistribution” of water. A drought somewhere = more water somewhere else.
