25. A government structure in which some powers are given to the national government and other powers are reserved for more local
government

it makes companies more competitive it mainly alot

giving the us more money to give to the states it allows them to sell oversee and to other countries and more

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.

the percentage of students at the school need special diets is

c) 10 percent