I think the answer is 100 per so C. hope it helps hanna
A substrate is a reactant that is catalyzed by an enzyme.
The answer is <span>Time is the independent variable, and the number of birds is the dependent variable. </span>
<span>An independent variable is variable that is not affected in the experiment. It is what experimenter controls. On the other side, a dependent variable is called dependent because it depends on the independent variables. It is what is affected during the experiment.
In Sam investigation, he controls time - he counts birds at 6 a.m. and 6 p.m. So, time is the independent variable. The number of birds is affected during the experiment, so it must be the dependent variable.
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Difference Between Differentiation<span> & </span>Morphogenesis<span>. Multicellular </span>organisms<span> begin</span>life<span> as single </span>cells<span> called zygotes or spores, depending on the species. ...</span>Differentiation<span> is the process by which the </span>cells<span> take on their specific functions. </span>Morphogenesis<span> is the process by which an </span>organism<span> takes on its shape.
i hope this helps you goodluck :)</span>
