What general direction was the Pacific plate moving between 70.7 and 43.4 million years ago?

Q: According to the geothermal gradient above, what is the approximate temperature of the earth's mantl...

A: The temperature gradient knowledge comes from the seismic waves interpretation and understanding of ...

Q: If the Hadley Cell strengthens in the future as part of global climate change (as climate models sug...

A: In the Hadley cell (Global-scale tropical atmospheric circulation) air rises near the equator and fl...

Q: d Ridge plantng Which of the following sot of vegetables are directly planted in the field? a Eogpia...

A: Answer to Question 1 C. Hill-planting

Q: True or False The importance of spectral enhancement of image is in the RGB visualization?

A: Spectral enhancement in image analysis refers to the process of extracting new information from the ...

Q: 3. The velocity of sound in water is approximately 1,500 m/s. Calculate the depth from sea level to ...

A:   The sound velocity in water medium is about 1,500 m/s. Since the sound echo traveled to the bottom...

Q: Besides an actual downward subduction movement, how can a subducting plate generate earthquakes, as ...

A: Typically, as an ocean plate subducts downwards, it shears along the base of the overriding plate. T...

Q: Explain how population density and distribution  affects the environment

A: Population density is the number of people living per unit area. High population density is associat...

Q: True or False: One of the disadvantages of cubic convolution image resampling is that it alters orig...

A: While resampling a raster is to be reprojected onto an empty grid. The size of the grid is defined b...

Q: Which single disaster could kill the most people—a flu pandemic, an earthquake, or a hurricane?

A: All three are types of natural disasters. An earthquake is a terrestrial phenomenon, a hurricane is ...

Q: Contrast the differences between basaltic and rhyolitic magma in terms of SiO2 percentage, weight % ...

A: In Basaltic magma, SiO2 is 45-55 wt% and high in Fe, Mg, Ca, low in K, Na. In Rhyolitic magma, SiO2 ...

Q: Determine the magnitude of the earthquake with the seismogram given below.

A: The first step involves approximating the height of the wave (amplitude) by drawing a straight line ...

Q: Which industrial city.one on the Great Plains or one near the Rocky Mountains would have fewer air p...

A: Air gets cooler with altitude i.e., temperature varies inversely with elevation. In some cases, howe...

Q: What geographic feature does the arrow indicate

A:   The orientation of geographic features on the map is inferred by the arrow present in the map.  

Q: What is the energy source of: (a) everyday waves at the beach? (b) tidal waves? (c) tsunami?

A: The energy source of everyday waves at the beach is derived from the friction between wind and surfa...

Q: Pure water will not freeze unit it reaches a temperature of about  __________.  Water in the liquid ...

A: The process of cooling under the freezing temperature is known as supercooling, which keeps the liqu...

Q: True or False:  You can have the Bergeron Process and Collision Coalescence occurring at the same ti...

A: The process of formation of ice crystals in the clouds is known as the Bergeron process, which occur...

Q: Why is it unlikely that you will find crevasses in the plastic zone of a glacier? Explain your answe...

A: The term glacier is related to nature which is a heavy accumulation of ice over very long years and ...

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 part of the United States sits in an opening ocean basin? Evaluate the earthquake threat there...

A: The Basin and Range province present in the western United States comprising of Nevada, the western ...

Q: Looking at the map, where are most of the hotspots concentrated? Many of the biodiversity hotspots c...

A: The location of all major biodiversity hotspots shown on the map has one thing in common - their loc...

Q: We don't have many detailed photographs of Venus' surface, either from orbiters and/or landers. Expl...

A:   Venus has thick atmosphere with 96 % carbon dioxide. Venus is covered by an opaque layer of highly...

Q: The table to below gives the orbital periods T (in years) of the planets known to Newton as afunctio...

A: In a log-log graph, both axes are converted to a logarithmic scale. 

Q: Mid-latitude cyclones typically involve clouds/precipitation as a consequence of upward motion from ...

A: Mid-latitude cyclones are the result of the dynamic interaction of warm tropical and cold polar air ...