What information did scientist study in order to develop the model of the earth?

How can you use the term glaciation in a sentence about the great lakes? How did the first continents form? How high is mount blanc in feet? What is interlocking grain? Abundant vegetation in this climate is due to the availability of precipitation in most seasons.? Is a ground a place or a thing? What does it mean if rainforests are sometimes called the lung of the earth? What is the relatively shallow seabed surrounding a continent? Why does liquid bromine change to gas at room temperature? What functions does earth atmosphere serve? What relationship exists when sea level and the amount of valcanoism? Climate change may bring water shortage how can we reduce the amount of water we use? Why electrovalent compounds conduct electricity? Why rock are inhabited by small plants? Why is CaSO4 less soluble in water than NaCl? In H2O how did Rikki get the locket? What 5 us states have fewest tornadoes per year? What is the tendency for some minerals such as mica to break or flat surfaces called? Why do atoms of the same element have the same mass number? How many colors are there between violet and red in the rainbow of seven colors?

What information did scientist study in order to develop the model of the earth?