Please help this is super hard, best will get brainliest
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Biology, 22.06.2019 06:50
How many chromosomes does each human cell contain? a. 23 chromosomes b. 26 chromosomes c. 43 chromosomes d. 46 chromosomes
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Biology, 22.06.2019 09:00
In an experiment examining the effects tai chi on arthritis pain, callahan (2010) selected a large sample of individuals with doctor-diagnosed arthritis. half of the participants immediately began a tai chi course and the other half (the control group) waited 8 weeks before beginning. at the end of 8 weeks, the individuals who had experienced tai chi had less arthritis pain that those who had not participated in the course.
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Biology, 23.06.2019 06:30
Earth scientists have concluded that he methods of hamesing energy that have been over the past two centuries such as burning of fossil fuels are causing climates around the world to change more quickly and suddenly than ever before
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