How is geologic time measured, and what role do fossils play in dating geological events?

Amineral forms from water at the edge of a lake. which statements best describe this mineral? check all that apply. the mineral formed from lava. the mineral formed through evaporation. the mineral formed when hot water cooled. the mineral crystallized from magma. the mineral crystallized from dissolved elements and compounds.

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.

Asap will mark geography final plz ! what are the benefits of international aid? (give me the right evidence )