Answer:
Gas and liquid material.
Explanation:
The sun is not a solid mass. It does not have easily identifiable boundaries like rocky planets like Earth. Instead, the sun is composed of layers made up almost entirely of hydrogen and helium.
Using a river as a boundary (border) may be a poor choice because:
[Editor's Comment: Use process of elimination!]
Select one:
a. Rivers tend to bring people together rather than separate groups of people
<em>[Yes]</em>
b. The course of a river can change leading to a land dispute
<em>[Yes, but the direction of river flow should not change its location, and so the border will remain the same.]</em>
c. Rivers do not follow straight lines are difficult to map
<em>[Yes]</em>
d. All of the above
e. Both A and B above
The matrix in connective tissue is a makeup of cells, ground substance and many fibers. Usually, the tissue would contain mostly water, but it could change depending on certain things. These are what makes up the extracellular matrix. However, the matrix in connective tissue is actually most known as having soft and specialized tissue.
Omgggg it’s chubby and hairlessss