What term refers to the high and low frequencies that we hear in music?

Is this an example of a relief? why? what type of relief sculpture is it? explain.

Pl myou can always see cross contour lines on an object. true or false

Which descriptions offer examples of support services workers? check all that apply.sebastian makes sure patients can communicate with medical workers, understand information, and make decisions. miriam schedules appointments for a medical clinic. lena plans a food service program to improve patient nutrition in a healthcare facility. benito cleans and examines a patient’s teeth and gums. jason prepares and cooks food for patients in a hospital. wei examines an athlete who hurt his leg during a competition.