Free i'm leaving the app bc i forgot my password so this ace ranking has no meaning to me anymore
question: when the first clock was made, how did people know what time it was?

Luke and carrie are driving down a straight section of the interstate at 70 mph in luke's new convertible. carrie is drinking a soda in the passenger seat. when she is done she tosses the bottle straight up in the air, just above the height of the car. what will happen to the bottle if air resistance is neglected? a. the bottle will land in carrie's lap. b. not enough information is given. c. the bottle will land on the interstate in front of the car. d. the bottle will land on the interstate behind the car.

What is a neurotransmitter involved in mood reward, addiction, and motor behaviors?

What is the role of lenses in microscopy?