1. The accompanying photo shows a footprint on the Moon left by an Apollo astronaut in material popularly called lunar soil. Does this material satisfy the definition we use for soil on Earth? Explain why or why not. 2.2. The soil sample below is taken from a farm. From which horizon was the sample most likely taken — A, E, B, or C? What are the characteristics of this horizon? Explain your answers.

Q: Draw a cross-section and describe the collapse of an oceanic volcano, such as Krakatau. What usually...

A: Krakatoa, a volcanic island present in Indonesia, was destroyed by the violent eruptions in 1883. Th...

Q: What did I say is a safe temperature for ice crystal formation (snowflakes)?  The prime snow growth ...

A: Snowflakes formation depends on air temperature and humidity. In general, snow forms when the temper...

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: How do the ages vary along a line of subduction-zone volcanoes compared to a line of hot-spot volcan...

A: Hot spot volcanoes are characterized by an age progression depending on the distance from the source...

Q: True or False One of the disadvantages of parallelepiped algorithm of supervised classification that...

A: The process of classify pixels unknown identity by using samples of known identity. Here, unknown pi...

Q: Why are invasive species such a concern in chaparral systems? List three common invaders in our loca...

A: Chaparral is type of biome found in temperate region. Which is also known as Mediterranean forest fo...

Q: For how long has the Pacific plate been moving in the same general direction (northwest)?

A: The Pacific Plate is moving northwest at a rate of 7-11 centimeters per year. As the plate continues...

Q: 1. How does the solubility of CO2 in water change with temperature? 2. It is possible that changes i...

A: The solubility of a gas is its ability to dissolve in another liquid. The solubility of CO2 in water...

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: 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 Sensor calibration is an important image-processing step?

A: False. Image calibration is an important step in image-processing.  

Q: Draw cross-sections of a normal fault and a reverse fault. What are the differing forces that determ...

A: Normal faults are moved like one plate of the fault move downward and the another one remain the sam...

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: Is the killing power of tsunami due mostly to the wave heights or to the long wavelengths that allow...

A: Tsunami is a series of water waves highly disastrous to the coastal community. It is caused by the d...

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: Place the letters labeling rock layers, unconformities, faults and intrusions in order from youngest...

A: The rock layers, unconformities, faults and intrusions can be arranged in order from youngest to old...

Q: Loihi is an active volcano located south of Kilauea (see Figure 2). Loihi’s peak is still below sea ...

A: In hot spot volcanism, the tectonic plate is moving relative to a fixed hotspot from where hot molte...

Q: In the 2011 Japan earthquake, how large an area of plate moved? What was the maximum slip? What was ...

A: Based on several studies the maximum slip estimated using offshore GPS measurements was somewhere be...

Q: Explore Exploration Activity The compositional zones of Earth's interior are the crust, mantle, oute...

A: The figure show temperature increases with depth in the earth. The temperature gradient knowledge co...

Q: Explain why it is relatively safe to watch the eruption of a Hawaiian volcano but dangerous to watch...

A: Hawaiian volcano is consisting of largely basaltic magma and the eruption is mostly effusive or non-...

Q: Which of the following is an example of map generalization? a. Removing some points from lines repr...

A: The process of map generalization involves simplifying the geographical information represented in a...

Q: 2. Rising seas inundate land, compounding coastal erosion problems outlined above. Calculate how muc...

A: The level of inundation due to a rising  sea-level can be calculated as: Change in Horizontal Distan...

Q: How might a reduction in species diversity affect the other three components of biodiversity

A: The three components of biodiversity are: Ecosystem Diversity, Species Diversity and genetic diversi...