The type of fossil formed when organisms leave tracks, burrows, or waste is a _______ fossil.

The ________________________ is the concept that ancient life forms evolved in a definite order and their fossils can help determine the geologic ages of strata.

A/n _______ is a depositional landform created where streams emerge from mountain canyons in a valley.

_______ refers to the perfect of the total volume of rock or sediment that consists of pore spaces.

_______ is the tube through which magma rises to the surface in a volcano.

Our greatest source of knowledge about the Earth’s interior comes from ________________.

The part of a glacier where there is a net loss to the glacier is called the _________________.

_______ rich magmas are fluid, with low gas content.

_______ have multiple smaller channels, splitting and recombining downstream, creating mid-channel bars.

The ___________________________ states that in an undeformed sequence of rock strata, each bed is older than the one above it and younger than the one below it.