The laboratory equipment to be used are the balance and a beaker whose size depends on the volume of the unknown). First, the mass of the empty container then pour in all the liquid and read off the mass. Subtract the mass of the empty container from the total mass.
A swamp is a wetland that is forested. Swamps are considered to be transition zones because both land and water play a role in creating this environment. Many swamps occur along large rivers where they are critically dependent upon natural water level fluctuations. Other swamps occur on the shores of large lakes.