'Bacterial decay' diaporamas de présentation

Air pollution

Air pollution. Common Pollutants. For today we will discuss the pollutants Nitrogen oxides Sulfur dioxide Ozone Hydrocarbons. Nitrogen oxides have several formulas N 2 O NO 2 NO There are more but these are the ones of main concern. Sources

338 views • 25 slides

Fossils

Fossils. Fossils are the remains or traces of past life forms They are most common in sedimentary rocks They are extremely useful for determining relative ages of strata Fossils provide some of the evidence for organic evolution. How do Fossils Form?.

624 views • 25 slides

Bacterial destruction of wooden cultural heritage

277 views • 15 slides

Group presentation My topic: Experiment to show heat is evolved during germination of seeds.

Group presentation My topic: Experiment to show heat is evolved during germination of seeds. Experiment to show that root absorbs water BY: Dawa Tshering. Aim of the experiment: to show that heat is evolved during respiration

322 views • 11 slides

Fixation and Fixative

Fixation and Fixative. Prepared by : Reem Aldossari. THE GENERAL VISCRA OF THE RAT. Definition of Fixation .

4.21k views • 8 slides