<span>Fermentation
tubes, also known as, Durham tubes; are used
in microbiology to distinguish the production of the gas by microorganisms.
They are smaller test tubes implanted
upside down in alternative test tube. This small tube is primarily occupied with the solution in which the
microorganism is to be developed.</span>
Answer:
Acid rain is caused by emissions of sulphur dioxide and nitrogen oxide, which react with the water molecules in the atmosphere to produce acids.
Answer:
In agriculture specialization, farmers produce one crop instead of so many crops. In other words, the farmers, adopt specialized farming. By doing so they avail all those benefits which are accrued to the big businesses. Hence the goods are produced on a large scale.
