A line has one dimension, length.
A plane consists of an infinite set of lines.
Você precisa mostrar-nos o que você quer dizer, como anotar as escolhas para que possamos ver o que você quer dizer. :)
Answer:
we need tropical rain forests because they produce oxygen and clean the atmosphere to help us breathe. They also provide us with medicinal plants and may be the source to cure deadly diseases.
The ocean around Antarctica
