When artery muscles contract,
: the opening becomes smaller, and less blood flows through
: the opening becomes larger, and less blood flows through
: the opening becomes smaller, and more blood flows through
: the opening becomes larger, and more blood flows through

What is the best-known carbohydrate?

The diagram shows the layers of earth. convection currents in which region influence the movement of tectonic plates

2. cheryl hears a new song on the radio every day during the week on her commute to work. surprisingly, when the song comes on at a party on saturday night, she knows most of the words without trying. describe the three ways that we use cognition to learn without reinforcement. which type of cognitive learning without reinforcement best explains how cheryl knew the song lyrics? explain your answer.