Based on the normal lapse rate, how much colder would you expect the air temperature at the top of Half Dome to be?

Q: Where does much of our history of Precambrian rocks come from?

A: According to the geologic time scale, the Precambrian era is the oldest era of earth history. The Pr...

Q: Fossils of organisms from the pre-Cambrian are extraordinarily rare, but many species are found in t...

A: Burgess Shale is a fossil formation that consists of complete traces of soft-bodied animals of the M...

Q: Eventually, sediment will be transported to the ocean. By this point, it is very fine-grained, and m...

A: The formation process of sedimentary rocks includes weathering of pre-existing rocks, erosion, trans...

Q: Choose the word that best fits the blank. The words in parentheses represent the choices for each bl...

A: Hot molten rocks within the mantle rise to the Earth surface through a narrow column is known as man...

Q: how are fossils helpful in geologic investigations?

A: Fossils are the remains of the dead organisms in the form of impression, trace or track, the hard pa...

Q: Observation:  Hypothesis:

A: The Great Sphinx is the statue in the Giza plateau, the west of the Nile, Giza, Egypt. It is situate...

Q: Plz ffas solve this question                     Are the orbits of the asteroids all exactly in the ...

A: Asteroids are rocky remnants from the formation of solar system about 4.6 billion years ago. It lies...

Q: Given parent atoms that you know that the parent atoms of a given rock has decayed two half-lives an...

A: Half-life is defined as the time in which half of the original number of nuclei decay.

Q: Explain the concept of Sea floor spreading (separation of mid ocean ridges) under Paleomagnetism

A: Sea Floor Spreading Theory This theory was proposed by an American geographer Herry Hess.  According...

Q: Describe the basic principles of a circular economy. How does it relate to sustainability?

A: Circular Economy The World Economic Forum (WEF) defines the circular economy as the economy which is...

Q: What is the difference between relative and radiometric age dating?

A: To know the age of the rock or any dead organism the scientist uses some types of age determining me...

Q: Explain the 'Apparent polar wander'. (how it demonstrates that continents drift apart in order to ex...

A: The paleomagnetism gives evidence of apparent polar wander. Here the magnetic axis of the earth coin...

Q: consider an earth satellite moving with a speed 8200 m/s at perigee which is 340 km above the earth'...

A: vp=8200m/s=8.2 km/s The speed of satellite orbiting the earth is given by the Kepler's law v=μ2r-1a ...

Q: Which type of pollution has a specific known location such as factory pipes? * O runoff O point sour...

A: Point Source Pollution A source of pollution which discharges pollutants is called as point source p...

Q: what is the earth shape?

A: The third planet in order to distance from the sun is earth. Earth orbit around the sun and at its o...

Q: ving organisms, which we

A: The food web is a combination of several food chains where each organism is dependent on the other f...

Q: Define sustainability from an Environmental Science point of view and explain its importance.

A: In the present scenario of energy, the energy demand is increasing day by day, but the energy source...

Q: 1. determine whether the following scenario in the earth system represents a positive or negative fe...

A: Feedbacks are the variation of a process by the changes due to the process itself. There are two typ...

Q: How do we know where the center of the Milky Way galaxy is? What was the first evidence discovered t...

A: The gravitationally bound system of stars, planets, satellites, gas, dust, dark matter, comet, aster...

Q: The downward pull of convection currents in the mantle help to [recycle old crust or produce new cru...

A: Convection Currents and related Process Convection currents are the rising and falling of hot and mo...

Q: Weathering processes are responsible for the deterioration of objects and materials at Earth’s surfa...

A: Weathering is the process where physical disintegration and chemical dissociation of the rocks occur...

Q: In what kind of environment was this rock likely deposited?     A lake     Very close to...

A: This rock looks like a schist, a kind of metamorphic rock.  It shows high-grade metamorphism. It con...