<u>Answer</u>: B.The heliocentric model shows that Earth revolves around the Sun. The geocentric model shows that the Sun revolves around Earth.
The geocentric model is also known as the Ptolemaic model and had as center of the Universe Earth. However, the heliocentric model presented by Nicolaus Copernicus and Galileo Galilei, had the sun as the center of the Solar System, with Earth orbiting around it. However, it is thought that this theory was older than Copernicus.
The thread of protien called A. Fibrinogen helps form clots.
<h2>As carbon dioxide in the process of photosynthesis</h2>
C a salinity of less than 1%
Scar tissue is made of a protein called collagen