I know one is Pumice not sure about the other one.
The answer is A because when similar fossils were found on different continents it led<u> </u><u>Alfred Wegener</u> and other scientists to believe that those continents were connected before they were separated because of continental drift.
<span>B.
Lava, ash, and other materials from volcanic eruptions gradually build up over time. This is the correct answer. The volcanic molten material is ejected from fissures or initial cones and as the lava flows out and cools and as the pyroclastic materials solidify and tumble down the slopes, they build up the flanks of the volcanoes.</span>
In the Northern Hemisphere, soil on south-facing slopes dries out faster and is warmer than soil on north-facing slopes due to longer exposure to sunlight – the opposite applies in the Southern Hemisphere.
-brainliest!