Explanation: Of the four natural forces<span>, </span>strong<span> nuclear, </span>weak<span> nuclear, electromagnetic and gravity, only two have a finite range. The </span>strong force<span> has a range of about the width of an atomic nucleus, and is responsible for binding protons and neutrons together.
i hope this help u</span>
<span>they are variables. They are different from one another and must be treated as such, categorized into two different sections. In order to keep the organization and control over the experiment all groups that are not equivalent must be separated accordingly.</span>
Answer:columnar epithelium
Explanation:
Collecting ducts are readily recognized in the renal medulla, as relatively large tubules lined by cuboidal epithelium, in which the epithelial cells are relatively clear (i.e., not as eosinophilic as proximal and distal tubules) and have distinct cell borders