Can someone help with this I can mark brainless

The passage that directs air to the lungs is called a. diaphragm. b. larynx. c. bronchi. d. pharynx.

What is a carrier wave and how does it affect what you hear on the radio

Aweight lifter raises a 1600 n barbell to a height of 2.0 meters. how much work was done? w = fd a) 30 joules b) 3000 joules c) 320 joules d) 3200 joules