While on a geologic expedition, you unearth a large, dark stone with an excellent print of a fossil embedded within the rock. Because of the dark color, your friend automatically assumes that it is an igneous rock. Explain why it is uncommon to find fossils in igneous rock. In what kind of rock are most fossils found?

Q: A large grassland biome is found in central North America.  Discuss the climatic and geographic feat...

A: The land covered with grasses rather than usual herbs, shrubs, and trees is known as grassland, and ...

Q: True or False Hybrid classification combines both supervised and unsupervised?

A: A combination of supervised and unsupervised classification i.e., hybrid classification is used in r...

Q: How fast can tsunami travel? (a) in the deep ocean? (b) in shallow water? What are typical tsunami w...

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

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: Sketch a map of an idealized tectonic plate and evaluate the volcanic hazards along each type of pla...

A: In the figure above, A represents the oceanic plate, B represents the mid-ocean ridge, and C represe...

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: This is technically more oceanography, but I thought I'd give it a chance. Out of these words - whic...

A: Beach is a land form seems like  narrow portion of land lies side by side with ocean, lake, river. B...

Q: A dry fluffy snow will most likely have:  (Choose the BEST answer) 5 units of snow to 1 unit of w...

A: The percentage of water to snow is called as  snow ratio.

Q: Compare and contrast debris slides and rock slides. How should a community respond to each potential...

A: The movement of soil, debris, and rocks as a mass is known as mass movement or mass wasting. The mas...

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: Sketch and label areas of erosion and deposition resulting from the groin (top), jetty (middle), and...

A:   Jetties are rock walls made to protect the entrance of a harbor from sediment deposition and storm...

Q: 6. Jupiter has an apparent magnitude of -1.67, but an absolute magnitude of 25.87. Neptune has a mag...

A: Apparent magnitude gives us an idea about the brightness of an object appearing from the earth. It d...

Q: where are most of the services and community activities concentrated?

A: Services can vary depending on the needs of the community, catering to industries, people or both. T...

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: 5. Which type of beach litter is biodegradable? 1) soda cans 2) plastic bottles 3) nylon fishing lin...

A:   5. Which type of beach litter is biodegradable? 4) driftwood   6. Which factor is a major or signi...

Q: Which U.S. states are on the Pacific tectonic plate?

A: The San Andreas Fault is the continental transform fault boundary between the Pacific Plate and the ...

Q: Based on what you learned about Venus, select all of the correct statements from the following list....

A: True. Venus's atmosphere very hot and is about 100 times thicker compared to Earth's. It is composed...

Q: What are bold actions in rogue wave?

A: Rouge waves are created in the area where the action of the wind is very strong. These form against ...

Q: What common elements combine to form most igneous rocks?

A: Igneous rocks are formed from by the cooling of lava or magma that are coming from the eruption of v...

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: 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: What average speed, in centimeters/year has the Pacific plate been moving for the past 5 million yea...

A:   As location of hotspot remains fixed relative to plate motion and also Hawaiian big island is loca...

Q: What is erosion?          What is the main difference between physical and chemical weatheri...

A: In the earth, mainly two processes act. These are endogenic processes acting inside the earth and ex...

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: Identify and describe 3 different types of shorelines within the Chesapeake Bay

A: The Chesapeake Bay in the mid-Atlantic Ocean region is the largest estuary present in the United Sta...

Q: Define extinction event and state how many have occurred thus far.

A: The extinction event is defined as the sudden demise of the species due to some catastrophic event o...

Q: Calculate the percent change when a population of 350 birds increases to a population of 500 birds. ...

A: Percent Change= New Population - Old PopulationOld Population × 100Percent Change= 500 - 350350 × 10...

Q: What is the carrying capacity of Earth for humans—that is, how many humans can Earth support? What f...

A: The maximum population size of any species in an environment that can be supported based on the amou...

Q: True or False Sensor calibration is an important image-processing step?

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

Q: What are typical frequencies for 1-story buildings? 10-story? 30-story?

A: The frequency of a building is the number of times the building moves side to side (in a back and fo...

Q: Draw a cross-section and explain why an ocean wave breaks as it nears the shoreline.

A:   As the waves reaches shallower water, the growth in wave height occurs in a wave shoaling process....

Q: What are the major exchangeable cations in soils? How do the relative proportions change between aci...

A: The major exchangeable cations in soils are calcium (Ca2+), magnesium (Mg2+), potassium (K+), sodium...