Biology, 10.10.2019 03:00, salmanderabdi12
Astudent hypothesized that watching sports on television would cause viewers’ pulse rates to increase. she designed an experiment to determine the effect of watching sports on pulse rate. a group of 200 volunteers took their pulse rates and then watched their favorite sports on television. after the games, they immediately took their pulse rates again. the data collected showed that the pulse rates of some people increased, but the pulse rates of an equal number of people did not change. although the hypothesis was not supported by the data, the hypothesis is still valuable because it 1. may lead to further investigation 2. can be changed to fit the data 3. is the opinion of the experimenter 4. is based on beliefs of the volunteers
Answers: 3
Biology, 22.06.2019 10:00, TheOneandOnly003
If an organ has six haploid chromosomes, how many chromosomes are present. 6 12
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Biology, 22.06.2019 11:00, elpeke102p73fz3
Which short-term environmental changes would a very small asteroid or comet impact on earth most likely cause? check all that apply. flooding extinction craters on surface changes in weather patterns death of organisms and populations
Answers: 2
Biology, 22.06.2019 11:20, webbhlharryteach
Which of the following is a limitation of a clinical trial? a.)amount of random assignments b.)hospital cost c.)number of test tubes d.)amount of peer review
Answers: 1
Astudent hypothesized that watching sports on television would cause viewers’ pulse rates to increas...
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