Ya it is real because we are living in a same planet every thing is linked with each other. it was the great hypothesis of the world one does pollution and all of us have to face it .
Your answer would be B. have an amazing day!!
Answer:
. Galileo Galilei was the first astronomer to use a telescope to study the heavens. Galileo made a number of observations that finally helped convince people that the Sun-centered solar system model (the heliocentric model), as proposed by Copernicus, was correct.
Explanation:
The answer is the arctic ocean
