Answer:
could you list out the words bein asked
Explanation:
Like all animals the noises they make are to warn off predators, and mating call. IDk
Answer:
Helium
It will not easily react with other elements as it is a noble gas. it has complete octate .the reactivity of an element depends on its outer most electron, ( or valency of it) but in helium there is no electron left to react.