This is usually called a placebo. They are used as control tests to make sure that a product actually works. A placebo, however, is not merely restricted to pills, though.
If Janelle wants to prove her hypothesis on the uneven temperatures inside her house during winter, the next logical step would be to run an experiment.
Explanation:
because it allows you to eliminate or isolate variable/ it allows the experiment to minimize the changes in all the variables except the one being test.
I'm not gonna choose bc I'm not 100% sure either so read what's above, think it over and choose wisely
hope I helped a little and good luck :)
Answer:
Inside the muscle, calcium facilitates the interaction between actin and myosin during contractions (2,6). ... Calcium binds to the troponin, causing a position change in tropomyosin, exposing the actin sites that myosin will attach to for a muscle contraction (5,6). Blood Clotting. Without calcium blood would not clot.
Explanation:
