Answer:
Fitness of the induvitual
Explanation:
Sorry if am wrong
Radioactive elements are useful for the study of the biological system because of the unique properties which they possess. For instance isotopes of radioactive elements can be used to label a specific molecule in order to be able to follow the movement of this molecule as it navigates through the human system.
Answer:
it doesn't hold enough anything to actually become a star
Explanation:
smaller objects cannot hold planets in orbit. smaller objects cannot generate enough pressure to start hydrogen fusion
hope this helps :)
