Mr. McKay teaches about 100 students in his senior English classes in a large high school. If his students match the national norms for twelfth graders, how many of his students probably used marijuana, alcohol, or other illicit drugs in the past 30 days?
a. 10
b. 15
c. 20
d. 25
Question 2
Based on guidelines for gaining and maintaining students' attention, which of the following teachers is using an effective strategy?
a. Mr. Ganesh is demonstrating a procedure at the front of the room and pauses to say loudly to a student in the back row, Put away the iPad.
b. Let's read our lessons objectives on the board. This lesson is important because it helps us count money.
c. Mrs. Thornton moves back and forth as she presents a new concept. She never stands still when she makes a presentation.
d. This is Monday. Do the same spelling activity we always do on Monday write each word ten times.
(a) Feeding by bear on salmon results in large allochthonous inputs of nutrients into (b) the forest
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