What is the chemical basis of permanent? be sure to include the use of a reducing and a oxidizing agent in your explanation?

Adding the chemical to the hair which is the reducing agent that breaks the disulfide bonds and now the curling brings the respective residue in a different order such that when an oxidizing agent is added the disulfide bonds are formed causing a curl of permanent wave.

Wetlands form where water and land meet. a lake with a wetland fringe can fill in with decayed plant and animal material to become a wet meadow. a pond can fill in to become a bog or fen. sediment can fill in a river marsh to become a swamp.flooding of coastal lowlands from rising sea levels has created broad coastal marshes that are protected from wave action by barrier islands or reefs. coastal wetlands also form when rivers deposit sediment as they reach the ocean. plants then take root and hold the soil firm against the forces of tides and waves.

The answer is a if u read the definition it makes sense