C. railroad...............
<span>i think the correct match would be :
B. neotropc south America
if we look at it physically, the Neotropic ecozone includes the tropical terresterial ecoregions of the Americas continent and it also cover the entire Temperate zones of south America.</span>
The answer would be : <span>volcanism.
Hope this helps !
Photon</span>
Fossils help scientists date rocks: True
Sometimes younger rock layers are found beneath older rock layers: True, because it happens with landslides and other causes.
No fossils from the Precambrian era have been found because there were no organisms at the time: False because there were organisims like algae and bacteria, and there are a very small amout of fossils from that era.
The map of Earth has changed over millions of years, but is now set: False
