The correct answer is: by analyzing her average test scores after nights with different amounts of sleep.
This is the best way to approve her hypothesis, because she can compare the results of the tests influenced by different amounts of sleep.
The independent variable (the one that is changed by the scientist) in this hypothesis would be hours of sleep. The dependent variable (the one that is observed and that responds to the change made by the independent variable) would be result of test.
Answer:
the answer is B
Explanation:
but the two main factors that determine global climate is temperature and precipitation
These antibodies are IgD.
It is a monomeric antibody isotype that is expressed in the plasma membranes of immature B-lymphocytes. It is also produced in a secreted form that is found in small amounts in blood serum. IgD is co-expressed with IgM on the surface of the majority of mature B cells prior to antigenic stimulation and functions as a transmembrane antigen receptor.
Answer:
At least 6. You have to look at the chemical formula for cellular respiration and make sure it is balanced!
C6H12O6+6 O2→6 CO2+6 H2O
Explanation: