What are two differences between P and S waves?

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: Suggest why water companies need 25 year plans.

A: Water is an essential natural resource present on the earth that is needed by all living organisms. ...

Q: Which planktonic primary producers can succeed at the greatest depths?

A: Planktons are aquatic organisms that do not possess the capability of swimming. Primary producers, a...

Q: Explain briefly nuclear waste management

A: Nuclear waste is the waste generated from nuclear plants after utilising nuclear materials to produc...

Q: The global map of the Earth below shows the Earth's surface coordinates in 10° increments-the solid ...

A: On the map shown in question part, the two longitude lines are separated by 10 units. To Measure the...

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: 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: Describe Contrast pollution prevention?

A: Contrast pollution prevention means reducing the in amount of toxic substances and harmful materials...

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: If the Richter scale is altered so that it compares energy released instead of intensity, the defini...

A: If the Richter scale is altered so that it compares energy released instead of intensity, the defini...

Q: Unfortunately, coal commonly contains the mineral pyrite (FeS2), which causes it to release SO2 into...

A: Coal is one of the major sources of energy, and a very crucial fossil fuel. Coal is mostly used for ...

Q: If you lived at the equator on December 21-22, would you look toward the north or south to see the S...

A: The Sun's position varies depending on the time of the year and the location/point of observation. D...

Q: What is the difference between cross-bedding and ripple marks?

A: In cross bedding structure, the layer makes an angle with main bedding plain. The layers of the sedi...

Q: Why is the temperature different at different locations of the earth

A: The shape of the Earth is an ellipsoid, because of which there is a difference in the amount of sola...

Q: Match the description or compound with the correct term. carbon dioxide [ Choose ] [Choose] nitrogen...

A: A primary pollutant is an air pollutant that is directly emitted to the atmosphere from the source, ...

Q: Is the amount of precipitation and evapotranspiration over the continents the same? explain.

A: Precipitation is the primary input to hydrology. Factors determining precipitation or atmospheric mo...

Q: Calculate the bulk density of a 110 Cu Cm soil sample with an oven dry weight of 250 grams.

A: Bulk density is defined as the weight of soil in a given volume. It is typically expressed in g/cm3....

Q: Describe the “greenhouse effect”?

A: In recent years climate change has been a serious alarming issue. Climate change is caused by the gr...

Q: 9. How do porphyritic igneous rocks form? Which minerals would you expect to be the phenocrysts in a...

A: Porphyritic rocks are characterised by the porphyritic texture, which essentially has a bimodal grai...

Q: ways on how to mitigate and lessen the effects of soil erosion Own explanation

A: Soil erosion refers to the weathering or removal and the transportation of the topsoil from the Eart...

Q: Determine the total calories of a food having 5 g fat, 2 g protein, and 11 g carbohydrates.

A: One gram of fat contains nine calories. One gram carbohydrates and protein contains four calories ea...

Q: Which evidence supports the big bang theory? the existence of cosmic microwave background radiation ...

A: The Big Bang Theory states that everything was situated in a single, unified, dense point which expl...

Q: Identify the major environmental issues in Europe as well as measures taken to resolve those problem...

A: A variation of environmental concerns now alters our whole world. Environmental issues are issues cr...

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: Why do the isotherms in the Southern Hemisphere follow a true east west trend more closely than thos...

A: Isotherms are lines of constant or equal temperatures. They can give an idea about the large-scale t...

Q: The graphs show the percentage of electricity production by source in 2009 and 2019 for the state of...

A: The given graph shows that the energy sources being used for electricity production include nuclear ...

Q: How does the equilibrium theory of tides differ from the dynamic theory?

A: Tides are rise and fall in the water levels in water bodies due to the changes in gravitational forc...

Q: A satellite launched from the earth's surface parallel to the ground at v0 velocity sits in orbit at...

A: Two types of satellites- natural and artificial, orbit around the earth. Artificial satellites are t...

Q: what are the difference between sandstone * and carbonate reservoir

A: Basic differences between sandstone and carbonate reservoir rocks are the site of sediment productio...

Q: How did reefs formed by hexacorals during the Jurassic Period differ from those formed during Triass...

A: The corals are marine invertebrates belonging to the phylum Cnidaria of class Anthozoa. These live i...

Q: Second question option are cleanup or prevention

A: Weather is defined as the state of the atmosphere at a specific time and place. The major six compon...

Q: What are the important depositional environments of the basic kinds of sediment (such as mud, well-s...

A: Sedimentary rocks are generated by processes such as erosion, weathering, transport, deposition, and...

Q: Global greenhouse gas emissions have increase by how much since the year 1990

A: Greenhouse gas are the one which have ability to trap or absorb the sun radiation or heat. These gas...

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: Explain what graded bedding is and how it forms.

A: Sedimentary rocks are rocks formed from compaction and cementation of sediments. These sedimentary r...

Q: plotting the PAR.Plot,the following points on the map below.Use a colored pen to recognize the lines

A: the points are first plotted and the points are connected.

Q: What makes the Moon completely dark during a lunar eclipse?

A: The natural satellite of the earth is termed as Moon and appears to be dark during the lunar eclipse...

Q: What season is described to December 21-22 date in the northern hemisphere and Southern Hemisphere?

A: The seasonal variation on Earth is due to the tilt on its axis. The two hemispheres receive solar ra...

Q: Do erosional coasts tend to evolve into depositional coasts, or is it the other way around?

A: Erosional coasts are characterised by the coasts which are dominated by the erosional processes due ...

Q: #18 I am searching for this info. I cannot find what lights are visible

A: Observatories are the device that set on the earth surface to observe the extraterrestrial.  There a...

Q: What is your latitude if, on March 21, you observe the noon Sun to the north at an angle of 18 degre...

A: The radiation emanating from the sun is named insolation. It consists of short wave radiation which ...

Q: Explain the following: Saturated vapour pressure of a liquid An azeotropic mixture

A: Saturated vapor pressure is a property of liquid.

Q: Earth Science Question

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

Q: Describe the process of how a drill ship like the JOIDES Resolution obtains core samples from the de...

A: The JOIDES Resolution (JR) is a part of the International Ocean Discovery Program (IODP) and is fund...

Q: How does the amount of energy flowing from the interior of Earth compare to the energy received from...

A: The Energy received from the sun makes the Earth's heat budget. It is the cycling of solar energy fr...

Q: Which animals took the place of large Mesozoic reptiles in Paleogene oceans?

A: The Mesozoic era is called the " age of reptiles." Though all the five classes of vertebrates like f...

Q: Use facts of both marine elemental cycling and controls on ocean circulation, explain how an oxygen ...

A: Oxygen Minimum Zone Oxygen minimum zone, generally occurs at a depth of 200 to 1000 m, is a state of...

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 major groups of Eukarya are important in the fossil record?

A: Eukarya are all other known organisms than prokaryotes and unicellular. Molluscs and Arthropods are ...

Q: How is a forced wave different from a free wave?

A: Waves are a disturbance in the sea or ocean surface water, in the form of a moving ridge or swell.