![subject](/tpl/images/cats/himiya.png)
Chemistry, 01.07.2019 18:30 wdymRachel411
After researching the possible effects of music, elaina proposes that if people listen to faster-paced music, their pulse rates will increase more than if they listen to slower music. her mother listens to classic rock at a high volume for 30 minutes, her younger brother listens to classical music quietly while he sleeps at night, and her grandmother listens to two hours of rap at a medium volume. elaina records each person's pulse before and after listening to the music. what is missing from elaina's scientific investigation? a testable hypothesis naming independent and dependent variables an experiment that takes initial and final measurements controlled variables with only one varied independent variable experimental data that can be recorded and analyzed
![ansver](/tpl/images/cats/User.png)
Answers: 1
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Other questions on the subject: Chemistry
![image](/tpl/images/cats/himiya.png)
![image](/tpl/images/cats/himiya.png)
![image](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 12:30, americanbellabeauty
Acontrol during an experiment. might change remains constant does not exist does change
Answers: 1
You know the right answer?
After researching the possible effects of music, elaina proposes that if people listen to faster-pac...
Questions in other subjects:
![Konu](/tpl/images/cats/mat.png)
Mathematics, 03.07.2019 08:50
![Konu](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 03.07.2019 08:50
![Konu](/tpl/images/cats/mat.png)
Mathematics, 03.07.2019 08:50
![Konu](/tpl/images/cats/istoriya.png)
History, 03.07.2019 08:50
![Konu](/tpl/images/cats/ekonomika.png)
![Konu](/tpl/images/cats/es.png)
Spanish, 03.07.2019 08:50
![Konu](/tpl/images/cats/en.png)
![Konu](/tpl/images/cats/biologiya.png)
Biology, 03.07.2019 08:50
![Konu](/tpl/images/cats/himiya.png)
Chemistry, 03.07.2019 08:50
![Konu](/tpl/images/cats/ekonomika.png)
Business, 03.07.2019 08:50