How does the texture of phyllite differ from that of schist?

Q: How do pore waters become pressurized? What is their role in mass movements?

A: The pressure exerted by water or fluid present inside pores is termed porewater pressure. For a sing...

Q: Q/A hydrocarbon gas mixture with a specific gravity of 0.7 has a densi ty of 9 lb / ft3 at the preva...

A: The formation volume factor for gases is the ratio of gas volume at pressure and temperature of the ...

Q: Describe the main erosional processes of each of the following:-a). Wind erosion b). Sea erosion c)....

A: Erosion is a natural geologic phenomenon where the materials from the Earth are worn down and transp...

Q: According to modern science, Earth is about 4.5 billion years old and written human history extends ...

A: Given: age of the Earth = 4.5 billion years old written human history = 10,000 years length of timel...

Q: The potassium atom 4219K has a half-life of 12hr, and disintegrates with the emission of a γ -ray to...

A: Radioactive decay is a breakdown of an unstable atomic nucleus to release energy and to produce a da...

Q: How does the burning of fossil fuels contribute to air pollution? What are the main products of burn...

A: The organic matter(remnants of plants) which are buried deep under the Earth over hundreds of years ...

Q: a. Define radiative forcing.b. Define climate sensitivity. What is the currently accepted value?

A: Radioactive forcing is the contrast between sunlight or solar irradiance soak up by the earth and en...

Q: لوکی ثقتل 3.7 Gold has a specific gravity of almost 20., Ifa 25 liter pail of water weighs about 25 ...

A: For describing the density of the minerals, the term Specific gravity is used. The specific gravity ...

Q: How is the atomic mass number of a radioactive nucleus changed by the emission of: (i.) an alpha -p...

A: Atomic mass is the sum of number of neutron and proton in a nucleus. The atomic mass number changes ...

Q: Thinking Critically How can large waves generated by a distant storm arrive at a shore first, to be ...

A: Winds generate waves on the surface of water bodies. They range in size from small size ripples to w...

Q: What is curious about the Neoproterozoic rocks known as cap carbonates?

A: Cap carbonates are layers of uniquely textured carbonate rocks such as limestone or dolomite, which ...

Q: How does oil enter the marine environment? Which source accounts for the greatest amount of introduc...

A: Petroleum is the organic product formed due to the burial and decay of organisms under temperature a...

Q: List factors that influence whether a rock will deform in 1. In an Elastic manner 2. In a plastic ma...

A: Deformation is the process in which the rock transformation takes place due to stress. Any rock unde...

Q: Identify statement as being most like an observation, a law, or a theory. All coastal areas experien...

A: Tides are very long wavelength waves that cause periodic rise and fall of sea level on the coastline...

Q: Crystal Optics ===========   1. Tourmaline has No=1.644 and Ne=1.624. What is the axial lightness of...

A: Tourmaline is a group of minerals composed mainly of boron silicate. Generally, it is black, but due...

Q: What is fossil fuel divestment, and what are some arguments for and against it?

A: The phrase refers to all those fuels from organic material buried deep beneath sediments and earth s...

Q: How are the basic features of the Wopmay orogen typical of orogenic belts in general?

A: Orogenic belts are the events comprising structural deformation and differentiation in compositions ...

Q: Why there are different types of soil on the earth?

A: Soil is the thin upper layer of continental crust. The formation of soil is very slow process and in...

Q: In June, why does the outer edge of the atmosphere at the equator receive less solar radiation than ...

A: Solar radiation is the amount of solar energy received by the earth from the sun. It is the function...

Q: 3 Explain with neat diagram of instrument for the measurement of sunshine hours.

A: The instrument used for measuring sunshine hours is a Campbell-Stokes sunshine recorder. It is shown...

Q: A farmer desires to irrigate a border which is 12 meters wide and 150 meters long. He wants to app...

A: The required amount of water for irrigation is equal to the volume of the border. V=12 m150 m751000m...

Q: 5. What kind of graph or graphs would you use to graph the following kinds of data? a. The amount of...

A: (a) The amount of carbon dioxide in the atmosphere for last 50 yearscan be shown by using line graph...

Q: Why does the outer edge of the atmosphere at the North Pole receives no solar radiation in December?

A: The axis of the Earth is tilted. Due to its revolution around the Sun, the two hemispheres (North an...

Q: What is the pattern of wind circulation associated with a surface cyclone in the northern hemisphere...

A: Coriolis effect describes the pattern of deflection of objects due to the Earth's rotation. The wind...

Q: Do we know of the existence of other water planets?

A: The presence of water in planets is directly related to the planet's distance from the sun and atmos...

Q: What are the four properties of air that are important in driving atmospheric convection currents?

A: The air in the atmosphere contains several gases in different percentages. The air is essential as i...

Q: 6. The Era when humans first appeared was... c. Paleozoic d. Precambrian a. Cenozoic b. Mesozoic

A: Precambrian age was well known for the presence of simple single-celled organisms and bacterias.  Pa...

Q: The element uranium 23892U undergoes radioactivity to give an alpha particle and Thorium (Th).(i.) E...

A: Radioactivity is a phenomenon that can be found both in natural elements as well as in man-made sour...

Q: 1. We can find the very liquid phase of materials in: (a) Outer core. (b) Mantle. (c) Inner core. (d...

A: Earth's inner layers are a major area of study for geoscientists. 

Q: What is the evidence that carbon dioxide has increased in the atmosphere?

A: Carbon dioxide is the most significant of the smaller and more visible constituents of the atmospher...

Q: Are fine nets sufficient to capture all the plankton in a water parcel?

A: Fine nets are not sufficient to capture all the planktons in a water parcel. Because the net gets fi...

Q: Now we can determine how much mass is converted over the Sun's lifetime (TSun-yr = 1010 years). ...

A: Given- Tsun-yr=1010 year ∆mper-yr=1.35×1017kg/yr

Q: Earth is continually radiating infrared electro-magnetic radiation up into space. Where did the bulk...

A: The Earth has a thick atmosphere that acts as a protective layer from harmful radiations by absorbin...

Q: What is the relationship between El Niño and large wildfires in Australia?

A: El Nino is the name given to the occasional development of Ecuador and Peru's warm ocean surface wat...

Q: how would you expect the winds north and south of the equator to flow

A: The Equator lies in the tropical region of the earth at the 0-degree latitude. At the equator, there...

Q: WHAT I KNOW WHAT I WANT TO KNOW WHATI LEARNED Whatdo I know about What do Iwant to know Whathave Ilo...

A: The earth crust is majorly composed of rocks and products of rock weathering. The aggregation of one...

Q: What can the study of oxygen isotopes tell us about ancient oceans?

A: Isotope geochemistry is the study of naturally varying abundances of isotopes of elements used in ge...

Q: Which of these geological tools would not be useful for determining if a volcano might erupt? A seis...

A: Before a volcanic eruption, usually many signs are given off like the increase in number and size of...

Q: If two populations of the same species of insects have been geographically isolated from each other ...

A: Speciation refers to the process where populations evolve into different species.

Q: 2. A landslide is an example of A) river deposition B) glacial scouring C) mass movement D) chemical...

A: Since multiple questions have been asked, we will solve the first question. If you want any specific...

Q: TYPES OF ROCKS Drag the definition in tne greer box o the vocabulary word it defnes. Igneous metamor...

A: The aggregate of crystals is referred as a mineral, while the aggregate of the mineral is rock. It i...

Q: 7. The photographs below shows two depositional features labeled A and B. Which terms correctly iden...

A: Delta is a discrete shoreline protrusion formed at a point where a river enters an ocean or other bo...

Q: If you have a piece of land but no idea what is its measurement and have no measuring tape with you,...

A: In geological fieldwork, there are many instances where the measurement of geological features is ne...

Q: How to determine the absolute (radiometric) age of a rock?

A: One primary objective of geology is to determine the age of geologic structures and events. To do th...

Q: calculate reductions in carbon footprints.  How much would you reduce the carbon footprint of the bu...

A: Carbon footprint means carbon dioxide (CO2) into the atmosphere due to day-to-day activities like th...

Q: Where are the largest coal deposits located?

A: Coal is an organic sedimentary rock of black-brownish colour. It is made of mostly carbon with minor...

Q: Why radioactive decay is spontaneously happening in all rocks?

A: Earth's interior has radioactive elements naturally such as rubidium, uranium, potassium , and thori...

Q: Nowadays, most houses are tiled using different kinds of rocks. If you will have your own dream hous...

A: The rocks that are used commonly for house purposes are metamorphic and igneous rocks. As compared t...

Q: Explain the Torino scale of impact threats.

A: The creation of the Torino scale was done by Professor Richard P.Binzel from the department of earth...

Q: a) Name and explain four reasons why disasters are increasing around the world?

A: Disaster is an event that causes damage, environmental disturbances, loss of life, and deterioration...