The Hadean era was before rocks were formed so I’d say b) . Hope this helps :)
The angles of a triangle always need to add up to 180 degrees.
190 is greater than 180, not equal, so these angles will not form a triangle.
It began when Galileo tried to use his tidal theory to prove the movement of the Earth around the Sun. Galileo theorized that because of the Earth's motion, borders of the oceans like the Atlantic and Pacific would show one high tide and one low tide per day.
Which of these landforms has the least amount of
relief?
a. wide valley
b. broad delta
c. gentle hillside
d. steep mountain
The landform that has the least
amount of relief is wide valley. The answer is letter A. A relief is the
difference between the highest and the lowest area.
