Biology, 09.10.2020 21:01 cheezloord8472
In an experiment, a scientist decides to study the effect of exercise on cholesterol levels in people. He studies to set up people-those who exercise everyday for an hour and those who don't exercise at all. In this case, the statement that people who exercise for an hour may have lower cholesterol levels is:
A. a hypothesis
B. a law
C. an observation
to test the statement, the scientist would measure cholesterol levels in exercisers and non-exercisers. The cholesterol levels would be:
A. a dependant variable
B. an independent variable
C. qualitative data
Answers: 3
Another question on Biology
Biology, 21.06.2019 23:00
Biomass can be used to generate electricity. biomass relies heavily on agricultural crops. plants release carbon dioxide and water in combustion. plants use photosynthesis to originally generate the energy that is needed. the chemical energy of these plants all started with what energy source?
Answers: 3
Biology, 22.06.2019 04:00
Explain why the plants cortex would serve as the best food source for animals
Answers: 2
Biology, 22.06.2019 06:30
Milk production during breastfeeding is increased by the suckling of a newborn from his mother's nipple. this type of feedback mechanism best describes a positive or negative
Answers: 1
Biology, 22.06.2019 08:00
Which best example best demonstrates the importance of having knowledge of evolutionary relationships? a. illustration of a plant b.organ transplantation between species c. blood donation from a human d. do you need sequence of an insect.
Answers: 1
You know the right answer?
In an experiment, a scientist decides to study the effect of exercise on cholesterol levels in peopl...
Questions
Business, 25.02.2020 04:57
Mathematics, 25.02.2020 04:57
Physics, 25.02.2020 04:58
