Fill in the blanks with the correct connectors.
Light pollution may seem comparatively harmless when compared to other types of pollution. (a) ________ it has very serious repercussions. A hundred years ago, people could see clusters of a stellar spectacle in the sky. (b) ________, today we can only imagine how it looked.
(a) but (b) however
Light pollution may seem comparatively harmless when compared to other types of pollution. (a)But it has very serious repercussions. A hundred years ago, people could see clusters of a stellar spectacle in the sky. (b) However, today we can only imagine how it looked.