State the advantages and disadvantages of hard water.

Compare and contrast the advantages and disadvantages of production of genetically modified crops.

Give an outline of the five-kingdom system of classification. What are the advantages and disadvantages of this classification ?

Give the advantages and disadvantages of pesticides.

State two advantages and two disadvantages of producing hydro electricity.

What are the possible advantages and disadvantages of a chitinous exoskeleton in arthropods ?

Define hard water.

State two advantages and two disadvantages of using nuclear energy for producing electricity.

Differentiate between inbreeding and outbreeding in cattle. State one advantage and one disadvantage for each one of them.

State the disadvantages of using hard water.

State one advantage of using hard water.