1. How does the principle of original horizontality help to demonstrate plate tectonics was active in the past?

Q: The movement

A:   Erosion is the geological process in which worn away or weathered earth materials are transported ...

Q: Calculate the expected lifespan of a 16 solar mass star.

A:   The life expectancy of sun or one solar mass is 1010 years. The relation between life expectancy T...

Q: Without doing any calculations, how can you tell that the Van Buren ridge is spreading faster than t...

A:   The wide or broad magnetic strips (magnetic anomalies) suggest faster spreading rate and the narro...

Q: From outside the Earth-Moon system, how many times does the moon appear to rotate in one orbit? How ...

A: The moon rotates exactly once per orbital revolution because the rate at which the moon spins on its...

Q: Which aspect of earthquakes do seismologist struggle with to this day? 1. Predicting the onset of an...

A: When the tectonic plates move past one another, the energy is released from the weak planes from lik...

Q: What evidence indicates that glaciers such as Grinnell, Swiftcurrent, and Sperry Glaciers were once ...

A: Grinnell Glacier, Swiftcurrent Glacier, and Sperry Glacier are glaciers of the Glacier National Park...

Q: Earth Science Question

A: The representation of any surface area or place with the help of fixed symbols, scales, shades, or r...

Q: The Lake Rakastal in Tibet has salty water then why is it that the river Satluj, which originates fr...

A:   Lake Rakshastal is used to be part of the Sutlej river basin long ago. It gets separated from the ...

Q: Earth, which is mostly rock and iron, has a density of 5515 kg/m3. Ganymede, Jupiter’s largest satel...

A: The earth is a terrestrial planet with a bulk composition of the earth with iron, oxygen, and silica...

Q: Compared to the density of liquid water, the density of an ice cube is

A:   The liquid water density is 997 kg/m³ and the density of ice is about 900 kg/m3. Ice is comparativ...

Q: a) How large is the Schwartzschild radius for a black hole of a million solar masses? b) What about ...

A: The Schwartzschild radius for a black hole with a size of one million solar masses is three million ...

Q: Why do succulents change colors and revert back to green? How to prevent.

A: The plant, having thick fleshy leaves, thick stems which stores water in it, and extended roots are ...

Q: What is atmospheric drag and how does it affect objects in Earth orbits? For which orbits is drag a ...

A: Atmospheric drag, sometimes called air resistance, is the force placed on an object by its atmospher...

Q: Why might melting permafrost be important for future climate change?

A:   The permafrost is thawing as the earth's climate is warming due to anthropogenic factors such as e...

Q: why is jupiters moon called an irregular salltelite

A:   Most of Jupiter's moons are much smaller with irregular forms and weaker self-gravitation. They we...

Q: What are the benefits or drawbacks of sandy clay loam for agriculture?

A: Sandy clay loam soil has near equal amounts of sand, silt, and clay plus organic matter (humus).   B...

Q: Questions #6 and #7 I need help with. please and thank you!

A: The percentage of contamination is just the 100 - percentage composition of the soil.  = 100 - 84.89...

Q: If a certain star is 4 times as hot as the sun and is 10000 times brighter than the sun, calculate t...

A: The luminosity (L) of a star is related to its temperature (T) and radius (R) as L = R2T4  To compar...

Q: past; therefore, the current increase in CO2 levels is merely due to another natural (non- anthropog...

A: The carbon dioxide is the essential gas for life on the earth as it traps the long-wave radiations g...

Q: What are the positive and negative impacts of fracking? Should fracking be banned? How should we dis...

A:   Fracking is a process through which rocks are fractured by a high-speed liquid pumped through a ho...

Q: If you represented Earth's history by a line thatis 0.5 m long I land? cm How long a segment (in mm)...

A: The entire history of the Earth is shown as a line 0.5meter long. The Length of 0.5meter long repres...

Q: Which glacier was "the biggest loser" from 2009 to 2010? Explain how you know it and what is the sou...

A: Jakobshavn Glacier, located on the southwest coast of Greenland experienced the most loss in the amo...

Q: The _________ is the thinnest part of earth's structure. It composes only __________  % of Earth's e...

A: The thinnest layer present outside the Earth is known as the crust. It is the topmost part of the li...

Q: Which of the following would not produce a magnetic field? O Electron rotating about its axis O Stat...

A:   A moving charge produces both electric field and magnetic field. A stationary charge or charge at ...

Q: AU If the comet last came closes

A: Kepler's third law states that the planets' orbital periods' square is directly proportional to the ...

Q: You find a rock 7,500 km away from the nearest seafloor spreading center. The plate is spreading at ...

A: Convert km to cm 1 km = 100000 cm 7500 km = 7.5 x 108 cm Calculate time using given distance and spe...

Q: 400 360 320 -cO2 -Temperature 280 240 200 -12 160 800000 600000 400000 200000 Temperature change fro...

A: Ice cores are the records of the past environmental conditions of the earth. They provide the concen...

Q: “What is the latitude of someone in the United States who sees the Sun at an altitude of 87.0 degree...

A: The earth's tilt is around 23 and a half degrees, and the earth rotates from west to east. Solstice ...

Q: The epicenter of an earthquake is always:   A. Along the surface trace of the fault   B. More than 2...

A:   The epicenter is the point located on the earth’s surface that is directly above the focus or hypo...

Q: Please answer very soon

A:   Lag deposit is a coarse-grained residue left after finer particles have been transported away, due...

Q: An increase in the amount of particulatematter (dust and smoke) in the atmosphere mayresult in coole...

A: The particulate matter like dust and smoke is created by anthropogenic activities like burning of fo...

Q: Draw a picture of a beach with a groin constructed near a beach resort hotel. Be sure to clearly ind...

A:   Groins are built to protect beaches that are losing sand from longshore drifting (Longshore drift ...

Q: Earth’s average surface temperature is about 288 K and Sun’s surface temperature is nearly 6000 K. H...

A: The form of energy comes from any certain or uncertain source by travelling through space, which can...

Q: Describe a quasar

A:   A quasar or, quasi-stellar object is an extremely luminous, powerful, and energetic object present...

Q: Which of these coastal structures requires continued maintenance?A. seawall B. jetty C. groin D. bre...

A: The structures built perpendicular or parallel to the shoreline to protect the shoreline from erosio...

Q: fill the blank with the word 'cosmological redshift' or 'doppler shift'     A    ?       can only i...

A: Redshift is an observable prediction that can be done for an expanding universe. A light ray travell...

Q: Which of the following would be considered a biotic factor in the environment of an aquatic mammal? ...

A:   The biotic factors refer to living beings present in an ecosystem. The abiotic factors refer to th...

Q: Describe the major spheres of the Earth (5 facts for each and at least 2 examples)

A: Land, water, air, and living things on the earth are the major systems. These major systems made fou...