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Coal is a sedimentary rock composed of organic matter and frequently contains plant fossils. Which of the following statements can we infer to be true about the depositional environment in which coal formed? - ️️Coal was originally deposited in a biologically productive terrestrial ecosystem. C...

What do we call the circular patterns of ocean currents that is driven by the Earth's rotation? - ️️Gyres What feature would not make a fossil useful for determining relative geologic ages? - ️️The species had a very small population What is the controversial name for the period of geol...

Physical weathering can best be described as - ️️The process of making large rocks into smaller ones without changing the composition Porosity is: - ️️The measure of open space in a rock or sediment Prediction of future earthquakes is - ️️Is largely given as a statistical probability ...

Quiz 17: Unit 9. Part 1. Question 2. Watch the Unit 9 Part 1 lecture video and answer the following question: Which of the following observations support the idea that our Moon formed from a giant impact? - ️️d. All the above Quiz 18: Unit 9. Part 5. Question 9. Watch the Unit 9 Part 5 lecture ...

How do we know the Washington and Oregon coasts have experienced large numbers of tsunamis? - ️️layers within buried sand deposits along the coast What the Volcano Explosivity Index (VEI) measure? - ️️the amount of ash and rock ejected What type of scale is the VEI? - ️️logarithmic (ea...

In which direction would longshore drift of sediment occur along this coastline? - ️️Bottom left of the photo Ionic bonding occurs when ______? Please fill in the blank with the best answer choice. - ️️Atoms lose or gain valence electrons to make positively or negatively charged ions that c...

100 m - ️️The impact, expansion of water after filling the crater, and related seismic activity spawned megatsunamis over how tall? Why is it safe to return to the beach after a tsunami wave first arrives and has already caused damage? - ️️It is not safe to return to the beach because tsuna...

You observe the volcanic eruption above. Based on the shape of the mountain and the eruptive style, what tectonic setting are you in? - ️️Close to a subduction zone You walk up to this outcrop of sedimentary rocks. You know from previous observations that they have not been rotated or overturne...

We now use radioactive decay to determine the age of geological materials. What is one feature of an ideal material for radiometric dating? - ️️No initial daughter isotope when the material formed We now use radioactive decay to determine the age of geological materials. Which of the following ...

How conduction, convection, and radiation transfer heat - ️️*Convection: Heat transfer through fluid motions of liquids and gases, as well as solids that flow like a fluid. *Conduction: Heat transfer through a solid through the spread of vibrations on the atomic scale. *Radiation: heat transfe...