Chemistry is an exciting field that unlocks the secrets of the world around us, from the air we breathe to the food we eat.

Here, salinity is given in practical salt units (PSU) as it is equivalent to ppt used as a measure to quantify the clay ... the dispersion was poured into a larger cylinder and filled with more ...

From Nelly Furtado and Avril Lavigne to Drake and the Weeknd, music by these artists has soundtracked the last 25 years.