Los hispanohablantes tienen la costumbre de besarse para saludarse.
There are two forms for the Imperfect Subjunctive in Spanish. The -se form is considered the traditional form of the imperfect subjunctive, while the -ra is derived from an old Latin indicative form. Both are almost interchangeable in modern Spanish... So yes.
Answer:
clima, dióxido de carbono, gases de efecto invernadero, deforestación y precipitación.
Idk bcs I don’t speak/understand English