Looking at the map, where are most of the hotspots concentrated? Many of the biodiversity hotspots coincide with regions of very high human population density. How does high population density create greater risk of biodiversity loss in these regions?

Q: How do tsunamis affect the atmosphere?

A: The ripple effect of a high-intensity earthquake-tsunami combo can cause disturbances in how the mol...

Q: Volcanoes in the ocean tend to erupt peacefully, whereas volcanoes on continents tend to erupt explo...

A: Volcanoes in the ocean tend to erupt peacefully but continental volcanic erupt explosively.

Q: What will happen if we run out of water? How we could minimise the impact?

A:   Water is used for drinking, washing, hydrating crops, livestock, harnessing electricity and variou...

Q: Sketch a plate-tectonic map along western North America from Alaska through Mexico. Label the spread...

A: Figure 1a depicts spreading the spreading centers, subduction zones, and transform faults in a plate...

Q: Change Detection can be used to show: A. The situation during and before the event B. The situation...

A: In Change Detection, satellite imagery or aerial photographs of a particular area taken at different...

Q: Which of the following statements is TRUE?Relative dating tells us how long ago something existed.Di...

A: Relative dating is used to find the age of something, for example, a rock formation relative to othe...

Q: True or False:  Sleet is frozen raindrops.

A: Sleet is frozen raindrops. When the layer of freezing air is thicker along the surface. This will le...

Q: How many years might one subduction zone operate? One volcano? How many years might pass between eru...

A: Most subduction zones will operate normally until the high density lithospheric plate is entirely su...

Q: If all the fungi on Earth were suddenly to die, how would the surviving organisms be affected?

A: Fungi are ubiquitous in the natural world. They play a vital role in a wide variety of habitats and ...

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: Describe how Earth became segregated into layers of differing density.

A: During the accretionary stages of the earth, it was chemically homogeneous throughout. The young ear...

Q: True or False  The differentiation of the layers of Earth is an example of unidirectional change in...

A: Unidirectional change in the nature of Earth can be seen in the internal layers of Earth. 

Q: What is the difference between a natural disaster and a natural hazard? How do economic losses diffe...

A: Natural disaster is a specific phenomenon of natural events episodes such as earthquake, flood, typh...

Q: Explain the paleomagnetic evidence for seafloor spreading.

A: According to seafloor spreading, mid-ocean ridges are located in areas where mantle-derived convecti...

Q: What type of fault movement best characterizes the Basin and Range province? What are the highest ma...

A: Basin and Range (B&R) province of the western United States is an example of an active rift syst...

Q: During an earthquake, you probably will be safest if you _____, _____, and _____.

A: Earthquake can be occur anytime. Be prepared at any time and make the life safe at any situation by ...

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: If you are in an airplane over the epicenter of a great earthquake, what will you experience?

A: During earthquake, pressure and shear waves move in all directions. If the pressure waves leave eart...

Q: Why are fires in cities so commonly associated with major earthquakes?

A: Fires are a recognized hazard associated with earthquakes, especially in cities and industrial areas...

Q: Q.1 (a) Determine the magnitude (Mw) of an earthquake resulting from a fault having a rupture length...

A: The seismic magnitude (M0) depends on strength of the rock along the fault (μ), area of the fault th...

Q: What are the ecological consequences of cutting forests and burning them?

A: The removal of the forest from the land by cutting or burning them is known as Deforestation.  Defor...

Q: Explain three ways that humans have caused or triggered earthquakes.

A: Human-derived earthquakes are often associated with regions that have little or no history of seismi...

Q: Which of the following represents a locality of Intrusive rocks? a. Hawaiian Islands b. Sierra Nevad...

A: Extrusive rocks and intrusive rocks are the types of igneous rocks which are formed based on the vol...

Q: Which sedimentary rock process does NOT "fit" into the formation of a sedimentary rock? a. transpora...

A: Sedimentary rock cycle consists of the following steps. It includes: Weathering and erosion, transpo...

Q: How do I find the contour interval to a topographic map?

A: A contour line is an imaginary line that connects regions of equal elevation on a topographic map. A...