Answer:
Wind-driven waves, or surface waves, are created by the friction between wind and surface water.
Explanation:
One thing scientists in the late 1700s could determine about the fossils they were finding were fossils in the upper layers were younger than fossils in lower layers. The correct answer is A.
Answer:
D. were widespread due to many low-lying land masses.
Explanation:
Cambrian Period was the first geological period of the Paleozoic Era, it occurred between two ice ages; Proterozoic and Ordovician. During these era, there were mass extinctions due to the decrease in global temperature.
Cambrian seas were widespread due to many low-lying land masses.