Question

It is believed that during the late Cretaceous period sea levels rose drastically resulting in about a third of the Earth's present land masses being underwater. Which of the following types of evidence supports this theory?
A. minerals and oil found in underground deposits
B. corals and marine fossils found in the Great Plains
C. volcanoes and igneous rocks found on the ocean floor
D. dinosaur and bird fossils found in swamp areas

Answer 1

B corals and marine fossils found in the Great Plains!

Answer 2

The type of evidence which supports this theory is C. volcanoes and igneous rocks found on the ocean floor.
Normally, these types of ruptures and stones don't appear in water, however, after being submerged in oceans for such a long time, today it is a normal occurrence.