Answer all these questions for 50 points! 1. what can cause sediment to form on land? a. only mechanical weathering rocks b. only biological weathering rocks c. any kind of weathering or rocks d. melting of rock in the core 2. list and describe two ways that scientists can date fossils found in the earth. 3. give an example of erosion. 4. how can we use rocks to determine how an area used to look in the past?

Question 1) Choice C; Because any weathering of a rock can create sediment.

Question 2) Lab testing | Lab testing can reveal the age of a fossil by using chemicals.; Looking at the fossil | Even looking at the fossil can tell the scientist an approximate age of the fossil.

Question 3) An example of erosion could be wind or water.

Question 3) We can use fossils to tell how a place looked in the past by seeing what the fossil was of, and by researching about the fossil of the animal. We can also use rocks to see how the place looked back in the past by seeing if there are any marks on the rock.