An important tool in understanding the actual numerical dates of past geologic events is radioactivity.
Answer:
I'd say all of the above because no particular group is more fit than the other for sexual reproduction, if the question was who would have the quickest reproductive rate then you could base that off of population size of X race.
West of the Mississippi River has many more mountains due to more recent orogenic processes. Blackhills, Rocky Mountains, Cascades, Sierras.... List goes on.
as necessidades energéticas totais da UE em termos de consumo interno bruto foram cobertas pelas seguintes fontes: 35% de petróleo, 24% de gás, 17% de combustíveis, sólidos como o carvão, 14% de energia nuclear, 10% de energia renovável, como a energia hídrica ou eólica.
Rainfall and temperature can affect the rate in which rocks weather. High temperatures and greater rainfall increase the rate of chemical weathering. Minerals in a rock buried in soil will therefore break down more rapidly than minerals in a rock that is exposed to air.
hope this helps!! :)