The person who studies living things is called a biologist
Answer:
the first one is correct
Explanation:
:)
The compound light microscope is the most commonly used type of microscope. It uses lenses and light to magnify and view images.
The inner layer of the stomach is full of wrinkles known as rugae (or gastric folds). Rugae both allow the stomach to stretch in order to accommodate large meals and help to grip and move food during digestion.
