A student is investigating the question "Which increases a person's breathing rate more after three minutes, lifting five-pouna
weights or lifting ten-pound weights?" She designs an experiment to test the question
Which is the dependent variable in her experiment?
breathing rate
weight lifted
duration of exercise
the person lifting weights
Answers: 1
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 00:30
When analyzing tree rings, what do scientists assume a thin ring indicates?
Answers: 2
Biology, 22.06.2019 12:00
Which statement about relative potential energy of electrons is correct? a. an electron in the 2 p orbital of the second electron shell has more potential energy than an electron in the 2 s orbital of the second electron shell. b. an electron in the 2 p orbital of the second electron shell has more potential energy than an electron in the 3 p orbital of the third electron shell. c. an electron in the 3 p orbital of the third electron shell has more potential energy than an electron in the 2 p orbital of the second electron shell.
Answers: 2
Biology, 22.06.2019 13:20
Aragonite shells of clams, snails, or scleractinian corals may be preserved unaltered in cenozoic deposits, but they are generally dissolved or recrystallized in older deposits. true or false
Answers: 1
A student is investigating the question "Which increases a person's breathing rate more after three...
Health, 24.07.2019 17:00
Social Studies, 24.07.2019 17:00
Biology, 24.07.2019 17:00
Biology, 24.07.2019 17:00
Biology, 24.07.2019 17:00
Chemistry, 24.07.2019 17:00
Health, 24.07.2019 17:00
Mathematics, 24.07.2019 17:00
History, 24.07.2019 17:00
Biology, 24.07.2019 17:00
History, 24.07.2019 17:00