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Observing where soil bacteria live
Dig up a clover, alfalfa or soy-bean plant. Carefully increase all the soil from the roots and see if you can find the little white nodules on the roots. These are where the nitrogen fixing bacteria so significant to soil fertility are found.
Chemical disasters arise from harmful and potentially hazardous chemicals, which if released of misused can pose a threat to the environmental. Its range depends upon military and
Q. Main effects of chronic lead? Lead, even at relatively low levels of exposure can cause severe health effects. Exhaust from vehicles using unleaded petrol serves as
SYM P A THETI C NERVOUS SYSTEM These sympathetic chain are connected with ramus comminicause of thoracic & lumber part. Due to this reason this system is called as t
Q. Is water a non-polar or a polar molecule? What is the consequence of that characteristic for the function of water as solvent? Water is made of two atoms of hydrogen attache
A fire hazards is any situation when there is a greater risk of harm to the people or the property due to fire. Causes 1. Overloaded electricity systems. 2. St
Q. List the stages of process of behaviour change? Stages of behaviour change process: · Unawareness · Awareness · Acquiring knowledge · Motivation · Trial
Q. What are the major divisions and representing species of the gymnosperms? This group of plants can be separated into conifers (pine, sequoia, cypress), that have flowers cal
W A TER Occurence Water is the most abundant substance, covering 70% of earth's surface. It constitutes 60-90% of living cells. 5-6% in tooth e
What is the type of cell division that allows sexual reproduction? What is gametogenesis? Meiosis is the type of cell division that permits sexual reproduction since it decreas
Question : (a) Briefly describe what are non degradable pollutants? (b) What do you meant by ichthyosarcotoxic fishes and give two examples of ichthyosarcotoxic fish poiso
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