Help please it's worth a huge part of my grade!!

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

Erosion of the beach is normally a slow process. however, in certain situations, large chunks of shore may wash out to sea. what could cause this to happen?

Why is it important always to use horizontal bars in unit fractions when performing unit conversions?