¿como dañamos alos ecosistemas?​

We ruin the ecosystem with pollution, littering, habitat destruction, and extinction of the wildlife.

Arruinamos el ecosistema con la contaminación, la basura, la destrucción del hábitat y la extinción de la vida silvestre.

hydrogen is a compound or a single element and a element is a pure substence that cannot be separated into simpler subtances

clorine is a compound its a chemical substance that forms when two or more different elements combine

so both hydrogen and clorine are compounds

the endomembrane system i think