Question 2. On Figure 13, create contour lines from elevation points using a10-foot interval Before you start, answer these useful questions: a. What is minimum elevation? b. What is maximum elevation? c. How many 10-foot contour lines can you make?

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A: The earth surface contains various types of rocks such as sedimentary rocks, igneous rocks, and meta...

Q: Draw and label a cross-section that explains the tectonic cycle.

A:      The Plate Tectonic Cycle is the movement of lithospheric plates comprising of crust and uppermo...

Q: Which of the following minerals is not commonly found in the Igneous rocks? a. quartz   b. feldspar ...

A: Most commonly found minerals in igneous rocks are silicates. This is due to the high abundance of si...

Q: Would you rather watch a volcano erupt in Hawaii or Washington? Why?

A: Hawaii is a better place to watch a volcano erupt because it has shield volcanoes which are less exp...

Q: If present seafloor spreading trends continue, what will happen to Baja California, San Diego, Los A...

A: The portion of the East Pacific Rise that lies to the south of the Gulf of California, where Baja Ca...

Q: Although the hydroxyl radical (OH) is present only in a trace amount in the troposphere, it plays a ...

A: Answer (a) The lifetime of OH in an air parcel, τ = 1/∑ikini ni  is the number density of species i ...

Q: Why do people keep returning to a volcano, such as Vesuvius, and building new cities?

A: People live near volcanoes despite the risks of an eruption. Living in cities near volcanoes can pro...

Q: How does explosiveness vary between magmas that have a low versus a high weight % content of water?

A: The amount of silica, water and other gases contained in the magma are key to determining its explos...