Simple columnar epithelium lines the gut, and is specialized for absorbing nutrients. Stratified columnar is an epithelium that contains multiple layers of cells in which the cells are taller than wide. Simple squamous epithelium on the other hand is a single layer of flat cells in contact with the basal lamina of the epithelium, simple squamous are often permeable and occurs where small molecules need to pass quickly through membranes via filtration.
Answer:
A stellar-mass black hole forms when a star with more than 20 solar masses exhausts the nuclear fuel in its core and collapses under its own weight. The collapse triggers a supernova explosion that blows off the star's outer layers.
Explanation:
The two elements that make up the most common compound in the human body are oxygen (O) at 65% and carbon (C) at 18%. I hope this helped!! Have a great day!! :)
