Identify the subordinate clause in this sentence.

because the chinese government wants to prevent the animal’s extinction, the government has become actively involved in efforts to preserve the south china tiger.

a.
the government has become actively involved in efforts to preserve the south china tiger

b.
because the chinese government wants to prevent the animal’s extinction

option b is the answer

the following key ideas correctly express the key sentence.

restate key idea: most people can learn to swim in ten short lessons.

restate key idea: the majority of water-accident victims require mouth-to-mouth breathing.

restate key idea: an empty, tightly closed gallon jug will support a tired swimmer.  

restate key idea: first aid is to prevent accidents as well as assist in rescue.

explanation: the key idea needs to have the same topic as the key sentence (drowning and safety).