Am awarding 25 points Are useful for comparison purposes to determine the size of microscopic cell structures? A. Sizing beads B. Eye dropper bottles C. Meter sticks I am not sure between A or C?

Which of the following claims does the author support the least

Acar company is testing seatbelts using crash test dummies. the company finds that when cars come to a sudden stop, the crash test dummies' bodies continue to move forward. the seat belt keeps the crash test dummies from hitting the back of the seat in front of them. why do the crash test dummies' bodies continue to move forward even though the car stopped? a. the friction opposing their bodies' movement keeps them in motion. b. the inertia of their bodies keeps them in motion. c. the forward acceleration of the car keeps them in motion. d. the gravity pulling on the car keeps them in motion.

Kinases add - groups to other enzymes. this activities some enzyme while inhibiting other