The gas that is most useful in protecting humans against ...
The gas that is most useful in protecting humans against solar radiation is?
chlorine
ozone
carbon (IV) oxide
hydrogen sulphide
Correct answer is B
The ozone layer in the stratosphere absorbs a portion of the radiation from the sun, preventing it from reaching the planet's surface.
Most importantly, it absorbs the portion of UV light called UVB.
In which order are the following salts sensitive to light? ...
Which of the following elements would displace copper from a solution of copper ions? ...
Ethene molecules can be added to one another to form a long chain compound called a ...
In the diagram above, R is a mixture of? ...
Which of the following non-metals reacts most readily with metals? ...
The scientist who stated that matter can be converted into energy is? ...
The solubility of the solids that dissolves in a given solvent with the liberation of heat will ...
A gas that turns a filter paper previously soaked in lead ethanoate solution black is? ...