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American scientists concluded that while daily exercise is most helpful, every other day, three days...

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A number of scientists found genes in the 18th and 19th centuries.  Scientific discoveries were made one after another in the 18th and 19th centuries.  Many scientists succeeded in finding out how the features of living things were passed on to the next generation in the 18th and 19th centuries.  It took a long time for scientists to find out why members of the same family look like each other.  
Right  Wrong  Not mentioned  
The bees are not likely to sting the scientists in the experiment.  Bees are unable to navigate 100 feet beyond their hive.  Experimenting on bees is too dangerous to be successful.  Bees are able to perform limited reasoning tasks.  
should exercise all the muscles of your body  should exercise that specific part of your body  should do stomach exercises  can do any kind of exercise  
Roger Fouts taught sign language to three younger chimpanzees.  Washoe was the first chim to use American Sign Language.  A chimpanzee died of natural causes in Africa at a research center.  Nowadays there are still lots of scientists experimenting with chimpanzees.  
your breathing  your heart beating  your exercising time  whether you are exhausted  
confirmed    concluded    concentrated    centred  
cover    search    explode    explore  
the; a   a; a   the; the   a; the  
Being inspected  Inspected   Having inspected  To inspect  
exercise any half of the week  exercise any two days of the week  exercise every other day, three days a week  exercise three days a week at most  
there are 1.25 billion smokers worldwide.  88% of people with psychotic disorders are smokers.  about 625 million smokers have mental problems.  2.5 billion people have mental problems worldwid  
to be concluded    to conclude    concluded    have concluded  
rewarded    awarded    praised    prized  
to be concluded  to conclude   concluded  have concluded  
confirmed    concluded    concentrated    centered  
the; a    a; an    the; an    a; the