Which of the following is a mechanical wave? a
An X-ray taking photos of your bones with X-rays
b Ocean waves crashing on the shore
CUV rays giving you a sunburn
d A microwave oven heating food with microwaves
e
Radios picking up radio waves

I think A and D and E

Explanation:

that is an example of mechanical wave

chemical digestion occurs in the stomach were hcl and pepsin forms chyme, the mouth in which salivary amylase breaks down starch to form bolus, and the small intestine specifically the duodenum.