What are some Harmful Effects of Bacteria
Harmful Effects of Bacteria
- i) Bacteria cause damage of food, clothes and other things in decaying process.
- ii) Denitrifying bacteria damage the soil fertility.
iii) Bacteria cause many diseases in plants.
- iv) Bacteria cause many diseases in cattle e.g. TB and anthrax.
- v) Bacteria cause many diseased in man e.g. T.B whooping cough, diphtheria, typhoid, tetanus, cholera etc.
Varieties of simulators for schoolchildren If you need to improve your child in mathematics or other school subjects, you can use the online simulator for schoolchildren. With its help, it will turn out to work out the practice of oral counting, as well as repeat the spelling and punctuation of the language the most important dates in the history of Russia and the world. In this case, the child will not sit at the textbooks, but will be able to repeat the material in a competitive mode. This will not only strengthen memory, but also have a positive effect on the speed of thinking.