Of the following, which is true about the federal debt

debt is sold in the form of treasury bonds

the debt has been increasing over time.

interest on the debt is uncontrollable

all of above

B. The debt has been increasing over time.

Explanation:

Federal debt is the national debt of the US government. It is a measure taken by the government to keep a track of how much the government owes its creditors. But as the government continues to spend more than it takes, the debt keeps increasing. These days people are keeping a close track of what is happening to this debt. A close monitoring of the same is understandable as the debt is explained to public in a vague manner. And people fail to analyse how the national debt affects their daily lives.

radioactive dating, also known as  radioisotope dating  is a process that in  estimating the approximate  age  of  rocks. these data can be analyzed from  the studies dealing with the  decay of the radioactive elements that are present in these rocks. in nature, there are a few types of materials or atoms which are quite unstable and they spontaneously decay or breakdown to form other kinds of atoms.

russia because it is the biggest state