In 2016, a rare transit of Mercury happened, where the planet crossed the face of the sun. Mercury's transit may have yielded secrets about its thin atmosphere, assisted in the hunt for worlds around other stars, and helped NASA hone some of its instruments.
The answer is A. Habitat !
You have a middle names because when you are born or even before your parents pick a name for youa first name and it is up to your parents when you are born you either dont or do get a middle name.
Answer:
it is a greenhouse gas witch traps heat
and it dissolves in the ocean causing fish to die and decompose creating more greenhouse gas
Explanation: