one is adapted to live in a hot and dry environment and one is adapted to live in a humid environment.
If the element has a atomic number of forty-four then the amount of neutrons would be "fifty-seven." This element is actually called Ruthenium and it has forty-four protons, and electrons, and it has fifty-seven neutrons and you can determine this by using this equation then solve:


Hope this helps!
The answer you are looking for is right here, Gogli Apparatus is the answer
Littering, hunting specific endangered species, honestly there are tons of things so the easiest one would be littering because if animals eat certain things it can kill them.