Question

question 10 (5 points) listen which supercontinents were present on earth at the beginning of the cretaceous period? a) laurasia and gondwana b) rodinia c) laurussia and gondwana d) pangaea question 11 (5 points) listen which of the following statements about uniformitarianism is correct? a) geological processes have changed throughout the earths history. b) features on the earths surface formed as they appear today and have never changed. c) geological processes occurring today have always occurred in the past. d) geological processes have stopped completely at different points in time.

Explanation:

For Question 10, by the beginning of the Cretaceous period, the super - continents Laurasia and Gondwana were present. Pangaea had already started to break up into these two major landmasses. Rodinia existed much earlier in Earth's history. For Question 11, the principle of uniformitarianism states that the same geological processes that operate today have operated in the past.

Answer:

Question 10: A. Laurasia and Gondwana
Question 11: C. Geological processes occurring today have always occurred in the past.