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When a permanent stream enters a desert area, what happens to its discharge?

At what depth of water would waves “feel bottom” if their wavelength is 10 feet?

The half-life of carbon-14 is about 6000 years. Assume that a sample of charcoal formed by burning of living wood 15,000 years ago. How much of the original carbon-14 would remain today?

Match the rock with the appropriate description.

________ occur at about the time of the first quarter and third quarter phases of the Moon.

Continental crust is generally thicker than oceanic crust.

________ has the same mineral composition as andesite.

________ is thought to form by partial melting and in situ crystallization of the melted portion.

Detrital sedimentary rocks are classified according to clastic particle size; chemical sedimentary rocks are named according to the most abundant minerals.

Repeated eruptions of relatively fluid lava from fissures can eventually cause an area to be covered by flood basalts.