The inert gas which is substituted for nitrogen in the air,
used by deep sea divers for breathing, is
1 Helium
2 Argon
3 Krypton
4 Xenon
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is the big bang theory correct, because as I wondered the explosion is too powerful that no one could survive after galaxies were created no life exist on it after the 3.5 billion years life exist so... my question is were is the life came from?
The isotope of uranium capable of sustaining chain reactions is 1 U-235 2 U-238 3 U-239 4 None of these
Liquefied Petroleum Gas consists of mainly 1 Methane, ethane and hexane 2 Ethane, hexane and noname 3 Methane, butane and propane 4 Methane, hexane and nonane
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The variety of coal in which the deposit contains recognizable traces of the orginal plant material is 1 Anthracite 2 Lignite 3 Peat 4 Bitumen
Heavy water is 1 Tritium oxide 2 Deuterium oxide 3 Rain water 4 None of these
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Deep blue color is imparted to glass by the presence of 1 Iron oxide 2 Cupric oxide 3 Nickel oxide 4 Cobalt oxide
When was the second and third experimental explosion conducted?
The National Earthquake Information Center has asked you to write a program implementing the following decision table to characterize an earthquake based on its Richter scale number. Richter Scale Number (n) Characterization n < 5.0 Little or no damage 5.0 ≤ n < 5.5 Some damage 5.5 ≤ n < 6.5 Serious damage: walls may crack or fall 6.5 ≤ n < 7.5 Disaster: houses and buildings may collapse Higher Catastrophe: most buildings destroyed Could you handle this problem with a switch statement? If so use a switch statement; if not explain why.
Biological Sciences 
