Answer:
Deuterium, (D, or 2H), also called heavy hydrogen, isotope of hydrogen with a nucleus consisting of one proton and one neutron, which is double the mass of the nucleus of ordinary hydrogen (one proton). Deuterium has an atomic weight of 2.014
Explanation:
Answer:
pretty sure it's d. invasive species
Explanation:
the reason a species is called invasive is if it is incredibly difficult to get rid of and the population is growing out of control quickly. the characteristics that was given were likewise to the behavioral problems of an invasive species.
