英検準1級のライティングです。 どなたか添削お願いします。

Question

Answer 1

Although よりも however
First it’s costs よりも first of all it costs
Many plastic made from oil よりも many plastic are made from oil
But oil is very precious and difficult to obtain というふうに1つの文した方が良いと思います
Second よりも secondly もしくは another point is
Bad for environment よりも bad for the environment
Cannot decompose plastic as well as cannot be reused. 繋げた方がいいと思います
Therefore plastic would become trash.
Plastic can only be used once.
…companies in Japan should take action