Define epidemiology please.

Do you want free brainliest & free 15 points? answer this correctly and you shall receive : ) the ideal body position for your legs after you've adjusted your seat is with your knee a. is fully tucked in when pressing the pedals b. is slightly crooked when pressing the pedals c. is fully extended when pressing the pedals d. is pressing directly on the pedals

What is the bottle's speed, as a percentage of the ball's incoming speed?

Weak stimulus will cause a weak action potential. the stronger the stimulus, the stronger the action potential. a. true b. false