Most of us already know that darkness<span> is the absence of light, and that light travels at the fastest </span>speed<span>possible for a physical object. So, what does this mean? In short, it means that, the moment that light leaves, </span>darkness<span> returns. In this respect, </span>darkness<span> has the same </span>speed<span> as light</span>
Because of the chemical change in the hypotonic..it change every time the plant cells touch it..
The most carbon in the world is stored in rocks and soil due to fossil fuels as all living things on earth are carbon-based.
The doctors could simply monitor the symptoms of an infected person. If the infected person sneezes or coughs, then the virus is likely airborne or transmitted from infected surfaces. If no obvious symptoms that would facilitate transmission are detected, the scientists can test for the presence of the virus in the food and drink at the party.
