Question

question #9: which sentence contributes most to developing the central idea? (ri.8.2)
a. many schools are debating screen time
b. supporters argue reducing screen use helps focus
c. critics say technology is necessary
d. all of the above
question #10: which sentence is written correctly? (l.8.1)
a. schools debates screen time daily.
b. schools is debating screen time.
c. schools are debating screen time.
d. schools debating screen time.
question #11: how do supporters believe screen limits affect students? (ri.8.3)
a. they reduce learning opportunities

Explanation:

Question #9:

A central idea about school screen time debate would need to include the core arguments from both sides and the overall context of the debate. Option A sets up the debate context, B presents one side's argument, C presents the opposing side's argument. Together they fully develop the central idea of the screen time debate in schools.

Question #10:

The subject "schools" is plural, so it requires the plural verb "are" for present continuous tense. Option A uses incorrect verb form "debates" for plural subject; Option B uses singular verb "is" with plural subject; Option D is an incomplete sentence without a main verb. Only Option C has correct subject-verb agreement and complete sentence structure.

Question #11:

While the full options are cut off, based on common arguments in screen time debates, supporters of screen limits typically argue that reducing screen time improves focus, attention, or academic performance. The provided incorrect option A states the opposite of what supporters would claim. Assuming standard context, the intended correct answer would align with positive impacts of screen limits like improved focus, but since only A is shown, note that A is incorrect.

Answer:

Question #9: D. All of the above
Question #10: C. Schools are debating screen time.
Question #11: (Note: Incomplete options provided; Option A is incorrect as supporters of screen limits do not argue limits reduce learning opportunities. A complete correct option would state a positive impact like "They help improve student focus.")