A primeira leva de ocupação do interior do Brasil teve início a partir do século XVIII. Os motivos que levaram ao povoamento e à origem dos estados de Goiás e Mato Grosso na região Centro-Oeste foram

Why does physical weathering speed up the processes of chemical weathering? a) physical weathering requires abundant water, as does chemical weathering. b) physical weathering produces fresh surfaces for chemical weathering to attack. c) chemical weathering can occur only on small surfaces, not large ones. d) chemical weathering requires salt, which is provided by salt wedging.

Geologists know that potassium-40 decays to argon-40, with a half-life of 1.3 billion years. if an analysis of a feldspar crystal in a sample of granite shows that 75 percent of the potassium-40 atoms have decayed to form argon-40, what is the age of the granite

The dashed segment of the plotted experiment in the graph in the lesson is called an