Choose the correct answer to complete the sentence. " Carbon dioxide is one ---- the primary greenhouse gases that cause global warming."

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• I dropped out of college after one term and went on traveling around the world instead 

• This is Dr. Ash calling. If anyone asks for me while I am away from the hospital, ask them to call back after four this afternoon

• A pharmacist’s ethical standards have to be high because he is entrusted to the storage and distribution of dangerous drugs.

ZUNIA12

• There is the very real possibility that these animals could panic, frighten and would break away, should there be a sudden loud noise

• From the airplane, passengers are able to clearly see the outline of the whole island

• All employee will be given an electric badge for entrance and exit purposes

• Despite of rain or snow, there are always more than fifty thousand fans at the OSU football games.

• The Texas Panhandle region, in the Northwestern part of the state, produces more wheat, cotton , and grain sorghum than any of other area of Texas.

• I’ve got my photos drying out on the kitchen floor, so whatever you will do, don’t tread on them!

• May I ask who was that man who was leaving the office when we came in?

• With cable broadband, you can go from one web page to another much quickly than you can. With a dial-up modem or DSL, and you can load web pages more readily.

• Our primary goal is to teach students to discover the truth. But we have also other aims, such as providing them with knowledge or to teach them to work consciously

• Mel's grandmother is in........... hospital, so we went to visit her ............ last night. 

• Last night there was .......... singing outside my house. 

• Never before has so many people in the United States been interested in soccer.

• ...........big books on ...........table are for my history class. 

• ................... blue is .................. color I like. 

•  I told Mom we would be ...................home in ...................hour or so. 

• With above 20,000 species, the world’s population of ants has continued to increase even as other animal populations have declined.

• His roommate is not very clever student, but he certainly works very hard indeed