R7 (Scientific reasoning)Someone says: ‘This vitamin gives me energy, so it must increase ATP production.’ What is the best response using scientific reasoning?

Scenario B: Indoor farm lighting scheduleAn indoor farm tested a new lighting schedule for lettuce for 4 weeks. Standard: steady light for 16 h/day. Pulsed: 10 min on / 5 min dim for 16 h/day. During week 3, CO2 levels were higher in the pulsed room due to ventilation issues. Data (n=20 each): Standard: final mass 320 g; water 14.0 L; CO2 week 3 = 420 ppm Pulsed: final mass 350 g; water 13.0 L; CO2 week 3 = 520 ppmB7. Which statement is reasoning (not a claim or evidence)?

C21 (Cells and energy)A person drinks a sports drink and feels better during exercise. Which statement is the best scientific conclusion?

In the Oakland Scavenger Company case, the U.S. Court of Appeals for the Ninth Circuit held that “nepotistic concerns cannot supersede the nation’s paramount goal of __________”.

Blitzscaling allows a company to achieve a ________ advantage in new global markets.

In many new small ventures, planning is often

Adjusted tangible book value is a popular method of valuation.

R2 (Scientific reasoning)A company tests a new study app. Ten volunteers use it for a week and report feeling ‘more focused.’ The company concludes the app improves learning. What is the biggest limitation?

1. Which best describes what a cell is?

Scenario A: Start-time pilot and student outcomesA district piloted a later start time at one high school for one grading period. Central shifted from 7:20 AM to 8:05 AM. North stayed at 7:20 AM. Central also launched a new after-school tutoring program during the same period; North did not. Data (averages): Central before: sleep 6.4 h; tardies 18 per 100; exam 78% Central after: sleep 7.1 h; tardies 11 per 100; exam 80% North before: sleep 6.5 h; tardies 17 per 100; exam 79% North after: sleep 6.6 h; tardies 16 per 100; exam 79%A6. Best graph choice to compare tardies across schools and time (before vs after):