Answer:
The correct answer would be TRUE
Explanation:
The nucleus contains the majority of the mass since the protons and neutrons are heavier than electrons, which occupy most of an atom's volume.
I believe the answer is A. hope that helped
<span>State governments are not sub-units of the federal government, but instead, each is B. sovereign and does not report in any constitutional way to the federal government. Sovereignty means having independent authority, and since the sentence describes state governments as not reporting to the federal government (and therefore being independent), the answer is B.</span>