You are reading a research report summarizing the finding for a study of first-year teacher anxiety in the classroom. you read the following results: "teachers' perceptions of students' skill level was the most powerful predictor: it accounted for an additional 28% of the variance (β = .35 , rho < .001)." from looking at the p value, you would conclude

it's anything that aren't producers and consumers.

explanation:

you've got to be clear on what "this" is

what are the options

enzyme active site and substrate specificity

enzymes bind with chemical reactants called substrates. there may be one or more substrates for each type of enzyme, depending on the particular chemical reaction. in some reactions, a single-reactant substrate is broken down into multiple products