The answer is ---- "Mercury"
Mercury.
No, the pressure is the force exerted by the substance on the walls of its container. The word that comes to mind for "amount of substance in a certain volume" is concentration, though it might also be a somewhat awkward way of describing density.The amount of substance in a certain volume is the density of the substance. Pressure means the force applied in a unit area. So the amount of substance in a certain volume is not the pressure.
Most lighting shops all possess certain characteristics that are constant throughout their stores. Efficient lighting and product display, as well as general mood lighting, are all some of the main characteristics of lighting shops.
Cytoplasmic fluorescence is when the cytoplasm of the cell (everything inside the cellular membrane except the nucleus) is lighting up or showing color through under a certain kind of light or microscope, depending on the process. This usually happens when a researcher wants to detect if there is a certain substance in the cell, he can put a fluorescent protein inside the cell that will bind with the substance he is looking for. If the substance is found in the cell, the fluorescent protein will stick to it and let off light or color.
concentration
concentration
Napkins are similar to paper towels in the way that they CANNOT be recycled. This is because the high amount of recycled fibers already in them, and after being recycled this many times already they are useless past this. There are also concerns about bacteria in such materials. However, there are certain groups that will take napkins and paper towels to BE RECYCLED AS MULCH.
if you heat a solid substance it will melt at certain degree of temperature according to the substance.
They pick up only certain materials and can be used to separate them.
it works by using certain tools to predict the weather.
It depends, some certain parts in Baltimore are safe, but others at night can be dangerous
it depends on the substance