<span>cardiorespiratory endurance and muscular strength</span>
This questions seems like its missing other parts
each of two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons in their nuclei, and hence differ in relative atomic mass but not in chemical properties; in particular, a radioactive form of an element.
That is TRUE, which makes updating maps extremely easy and convenient, not to mention it's the key element in GPS systems.
