When the concentration of global atmospheric co2 is plotted on the keeling curve, it becomes obvious that there has been a distinct long-term trend?

It becomes obvious that there has been a distinct long-term upward trend. Carbon dioxide defines as colorless, odorless, and incombustible gas found in our atmosphere. The chemical symbol co2 means chemical atom bonded to two oxygen atom. Global Atmosphere Watch which established by the World Meteorological Organization is a Worldwide system.

You would be correct, boiling water does disinfect contamination.    the property of disinfecting means to kill  germs, bacteria and other pathogens or contamination  that might cause an infection or cause a person to become sickly. a couple methods of disinfecting are using soap, other cleaning supplies or by simply "boiling" the contaminate.  the reason why boiling water disinfects certain attributes is because some cells cannot survive the heat and pressure.

The answer is true a geyser can reach up to 205 degrees fahrenheit