Combine each of the following related sentences into one compound sentence.use the appropriate cordinating conjunctions or conjunctive adverbs and punctuations.

1nuclear accidents can happen nuclear power plants should have strict safety control.
2,kansa rang the bell door several times no one answered.
3,anthroplogists discuss cultural materials with informants.anthropologists examine actions in cultural context.
4,in most societies, the family is the unit that regularly eats together.in some societies, men and women eat separatly.
5, money can buy a bed. it cannot buy a good nights sleep.
6, in the 1960's many young american men wore their hair long as symbol of opposition to authority. these days long hair is not a form of protest at all.
7, newzealand lies in the pacific ocean, 1600km to the east of australia. Newzealand consists of two large islands and a number of smaller ones.
7, solar energy is clean and unlimited. We must turn to the sun to solve energy needs.8,

sun, wind and water are renewable energy sources.they do not cause pollution.
9,history is not merely a record of pasts.history is an important connecting link between the past and present.
10, many university students have some computer skills. They often lack the typing skill and equipment needed to produce clean, professional looking term papers.
11,using chlorofluorocarbon as aerosol propellants has a devastating effect on the environment. In 1978, the united states government banned the use of chlorofluorocarbon as propellant.

1. Nuclear accidents can happen, but nuclear power plants should have strict safety control.

2. Kansa rang the bell door several times, but no one answered.
3. Anthropologists discuss cultural materials with informants, and they examine actions in cultural context.
4. In most societies, the family is the unit that regularly eats together, while in some societies, men and women eat separately.
5. Money can buy a bed, but it cannot buy a good night's sleep.
6. In the 1960s, many young American men wore their hair long as a symbol of opposition to authority; these days, long hair is not a form of protest at all.
7. New Zealand lies in the Pacific Ocean, 1600km to the east of Australia, and consists of two large islands and a number of smaller ones.
8. Sun, wind, and water are renewable energy sources that do not cause pollution.
9. History is not merely a record of the past, but an important connecting link between the past and present.
10. Many university students have some computer skills, but they often lack the typing skill and equipment needed to produce clean, professional-looking term papers.
11. Using chlorofluorocarbon as aerosol propellants has a devastating effect on the environment, and in 1978, the United States government banned the use of chlorofluorocarbon as propellant.

1. Nuclear accidents can happen, so nuclear power plants should have strict safety control.

2. Kansas rang the bell door several times, but no one answered.
3. Anthropologists discuss cultural materials with informants, and they examine actions in a cultural context.
4. In most societies, the family is the unit that regularly eats together, but in some societies, men and women eat separately.
5. Money can buy a bed, but it cannot buy a good night's sleep.
6. In the 1960s, many young American men wore their hair long as a symbol of opposition to authority; however, these days, long hair is not a form of protest at all.
7. New Zealand lies in the Pacific Ocean, 1600km to the east of Australia, and it consists of two large islands and a number of smaller ones.
8. Solar energy is clean and unlimited, so we must turn to the sun to solve our energy needs.
9. History is not merely a record of the past; it is an important connecting link between the past and present.
10. Many university students have some computer skills, but they often lack the typing skills and equipment needed to produce clean, professional-looking term papers.
11. Using chlorofluorocarbon as aerosol propellants has a devastating effect on the environment. In 1978, the United States government banned the use of chlorofluorocarbon as a propellant.