Why does reducing the amount of acid in the stomach heal stomach ulcers?

Can someone give me the answers to this?

Based on the data in the graphs do you think pepsin and trypsin are found in the same part of the body? explain your answer.

What surprised you about the position of the letter e when you looked at it under the microscope? practice what did the microscope do to the letter e? remember that the letter e was in readable position when place on the microscope stage.