Biology, 06.01.2020 22:31 schnefai000
Carmen conducted an experiment to determine if listening to different types of music would affect a person’s pulse. her hypothesis was that pulse rate would change with different types of music. each person listened to seven different selections of music for 30 seconds each. each person’s pulse was taken before the music and then after each 30-second interval of music. the pulses were taken again after the music selections were completed. based on her experiment, carmen concluded that a person’s pulse rate changed when the person listened to different types of music. which component is missing from carmen’s experiment?
a question
a hypothesis
a control group
a description of the experiment
Answers: 1
Biology, 21.06.2019 19:50
Which of the following statements about c4 carbon fixation is not true? a c4 carbon fixation is an adaptation for plants exposed to high light intensityb. c4 carbon fixation occurs in more plants than c3 carbon fixation.c c4 carbon fixation is more common in areas of high temperatures than c3 carbon fixation.d. c4 carbon fixation occurs in the inner cells of a leaf rather than the entire leaf.
Answers: 3
Biology, 22.06.2019 19:10
Which of these is not an obstical to the future of space exploration? fundingresearch ideas technologytime
Answers: 2
Biology, 22.06.2019 21:30
What is one affect on the australian environment due to the introduction of non-native european rabbits? (a) more grass grew in response to the need of the growing population of rabbits. (b) the rabbits balance out the food chain as they became a natural prey to many predators. (c) the rabbits the land by digging, which caused the soil to spread much needed nutrients. (d) the rabbits out-competed other small animals species and caused them to go extinct.
Answers: 1
Carmen conducted an experiment to determine if listening to different types of music would affect a...
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