Yes based off of the questions I could say China
Answer:
Avoid putting oils in water, and don't put trash in it either.
Answer:
ecosistema terrestre es una comunidad de organismos y su ambiente que ocurre solo en masas de tierra, como continentes o islas. Ecosistemas terrestres. Tundra. Taiga. Bosque templado
I'm pretty sure they are reffering to Alzheimers.