o natural disasters or environmental change always cause negative impacts? Why or why not?

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: Earth is commonly called terra firma. Does this make good geologic sense?

A: Terra, meaning Earth and Firma, meaning solid is a term derived from Latin. The phrase is commonly u...

Q: A typical basalt consists of approximately 50%             . a. Al2O3     b. FeO     c. CaO    d. SI...

A: Basalt is a fine-grained volcanic rock with a content of 45% to 52% silica. 

Q: What is the partial pressure of each gas at 20.00degree C

A: Partial pressure can be calculated using the Ideal Gas Law: P = nRT/V Step 1: Calculate the number o...

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: As seen from Earth, the Sun has an apparent magnitude of about                 26.7. What is the app...

A: The absolute magnitude (M), apparent magnitude (m), and the distance (d; in lightyears) between star...

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: Three student astronomers made the diagrams above to show what they think the Moon looks like when i...

A: The sunlight which is reflected from the earth radiates to space. Some of its portions pass the moon...

Q: Example of population

A:   A population is a number of the organisms of a same group or species living in a particular geogra...

Q: Is Frost frozen dew? Explain

A: Dew forms when the air temperature becomes equal to the dewpoint temperature, which is when the air ...

Q: What are possible causes of the 5.8MW earthquake in Virginia on 23 August 2011?

A: A Magnitude of 5.8 MW earthquake in Virginia on 23rd August 2011 causes possible effects. Which was ...

Q: What climate factors are involved in the forest formation?

A:   The solar radiation is very significant for varieties of biological and physical processes such as...

Q: I am doing a crossword for geology. I am having trouble with two terms.  1. The first word is 12 let...

A: The answer should be: ACCUMULATION It is a 12 letter word that is used to explain how glacial deposi...

Q: An atmospheric species designated with a dot, such as HO., is a .............. possessing an...........

A: An atmospheric species designated with a dot, such as HO., is a hydroxyl radical possessing an oxidi...

Q: Why is visiting historic sites, shrines, landmarks, and museums important in studying history?

A: The study of past events or past life is known as history, which enables us to gain knowledge about ...

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

A:   The geological, geophysical (magnetic and seismic) evidences suggest that the subduction and islan...

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: 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: solve the problem given in the image.

A: BOD or Biochemical Oxygen demand gives the amount of oxygen taken by the microorganisms for decompos...

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...

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: What is the average speed, in centimeters/year has the pacific plate been moving for the past 5 mill...

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

Q: A standstone is an example of a (an)             rock. a. igneous  b. chemical sedimentary c. detrit...

A:  Sandstone is an example of a detrital sedimentary rock.

Q: Which two types of fault movements of the seafloor can generate the most powerful tsunami—reverse (t...

A: Tsunamis are generated by the earthquakes on the sea floor. The sea floor earthquake occurs due to f...

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: 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: True or False Radar remote sensing works only in the microwave range of spectrum?

A: In Radar remote sensing, the sensor transmits a microwave signal towards a target and detects the ba...

Q: At a given time, a parcel of air is moving eastward (a westerly wind) at a speed of 15kt. Some time ...

A: For an air parcel moving without losing its speed, it must maintain hydrostatic equilibrium, which d...

Q: Identify the locations of the following features on the map: continental shelf continental slope sp...

A:   Based on the color elevation interpretation from the question and also Google earth image of the s...

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: Explain How one could measure the validity of the Alvarez Asteroid Theory?

A: Geologist Walter Alvarez while working gathered examples of limestone rock outside of Gubbio, which ...

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: There are about 32,000 single family homes in Peterborough. If we assumed Professor Hill’s was about...

A: Scenario A: Total Consumption of Peterborough before retrofitting Total Consumption = Number of Hous...

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: Earthquakes are most abundant in which two U.S. states? In which Canadian province?

A: Alaska experiences most number of earthquakes in a given year, with California placing second, until...

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 general direction was the Pacific plate moving between 70.7 and 43.4 million yearsago?

A: As soon as the subduction started, the shifting of the subduction zone started, and it started movin...

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...