Correct Answer : Money
Around the world the most significant restriction on access to potable water is money. While access to raw water sources, clean or otherwise, is important, the purification process itself is expensive. Once water has been rendered potable, it is important that it be delivered without reintroducing contamination.
Correct Answer : Cerebellum
Correct Answer : Methane
Biogas is primarily made up of methane and carbon dioxide with a small amount of hydrogen sulphide, siloxanes and moisture. Methane (CH4) constitutes 50-75 percentage of biogas, while carbon dioxide takes up 25-50 percentage, so we can say that methane is the major constituent of biogas.
Correct Answer : Nuclear power
Radioactive (or nuclear) waste is a byproduct from nuclear reactors, fuel processing plants, hospitals and research facilities. Radioactive waste is also generated while decommissioning and dismantling nuclear reactors and other nuclear facilities.
Correct Answer : Agriculture
Agriculture would be a good example of a purely competitive industry.
Correct Answer : understand the behavior of entire biological systems.
Systems biology is mainly an attempt to understand the behavior of entire biological systems by studying interactions among its component parts.
Correct Answer : Cells being formed from pure water
According to cell theory, Cells being formed from pure water is impossible.
Correct Answer : Hydrogen
Correct Answer : Vexillology
The study of flags is called Vexillology and the art of flag design is called as Vexillography. The man who studies flags is called as Vexillologist.
Correct Answer : at the time of volcanic eruption
Pele's tears (closest Hawaiian translation: "nā waimaka o pele") are small pieces of solidified lava drops formed when airborne particles of molten material fuse into tearlike drops of volcanic glass. Pele's tears are jet black in color and are often found on one end of a strand of Pele's hair.
