Travis notes that his prediction is significantly lower than his calculated velocity. which error explains this difference? a) he forgot to account for friction. b) he forgot to zero the balance and found a weight for the marble that was too low. c) he weighed the marble in a weighing dish and failed to account for the mass of the weighing dish. d) he didn't position the photogate correctly and got the time required for the top of the marble to pass through, rather than to the middle.

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.

How many copies of genes do gametes have?

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