A seems most probable.
Oceans are also deeper and larger then Seas.
The correct answer is: Layer 1, layer 2, and layer 4 in all three regions.
The index fossils are fossils that are commonly used for identifying a geological period of time, and these fossils are also very wide spread, as well as having a rapid evolutionary trends.
By this picture, we can easily see that even though we have rock strata from different regions, the same layers contain the same fossil, and it is a fossil that also is rapidly evolving so has a minor change in each layer.
Answer:
A solar eclipse is Local
A lunar eclipse is global
Explanation:
The first law. Planets orbit is an ellipse with the Sun at one focus.
The existence of land bridges was used to dispute continental drift