Look at the age-structure pyramids. the numbers between the bars (in the middle of the graphs) serve as the y-axis. what do these numbers represent? a) the population of males and femalesb) the age classes, in 5-year rangesc) the total population, in millionsd) the number of people born in a particular yeare) the percentage of the population in each age class

In which direction is the pacific plate moving in relation to the north american plate?

Is there any species that went extinct in recent years due to natural causes (not caused by human interaction). if so, what caused it?

Read the scenario below and answer the question that follows. hallie is reading a novel in the library when susan, her best friend, slumps down in a chair next to her. susan doesn't say anything, but hallie knows that susan is upset because she is slumping in her seat and rolling her eyes. a psychologist would explain that hallie is interpreting her friend's emotion based on a. the behavioral component of emotion b. her friend's ability to regulate emotion c. the verbal component of emotion d. the physiological component of emotion select the best answer from the choices provided a b c d