Early astronomical observations did not conform to the expected predictions of the transparent sphere hypothesis

true or false

Which one is the underlined word?

How is this a question? where are the answer choices?

Answeraquifer;

When a lake, river or other aquatic  system  becomes  eutrophic, it can have serious negative effects on other organisms like fish, birds and even people.if an algal bloom is so bad that it causes wide-spread death  in  the  water, the organisms that die will all sink to the bottom and start to decompose.