Below you see the seismographs of an earthquake as recorded at four different seismic stations. Which station was closest to the epicenter of the earthquake?   A) WVL B) QUA2 C) HNH D) BCX

Q: An elliptical galaxy could   a. evolve into an irregular galaxy when it has used up all of its g...

A: Elliptical galaxies are galaxies with an ellipsoidal shape. Elliptical galaxies can be classified ac...

Q: What is the area of Sólheimajökull rounded to the nearest whole number?   8 square miles ...

A: It is the largest glacier in Iceland, nicknamed the stinking river due to the presence of sulfuric a...

Q: What are the most important objectives to achieve regarding waste in the U.S.? Is incineration or la...

A: Since there are multiple questions I have answered only the first 3 question . Please re post the fo...

Q: What is the difference between a nova and a supernova?

A: The universe is expanding since its formation. It originated around 13.8 billion years ago. Trillion...

Q: Plz help!!

A: Ratio is a term that indicate how many times one number contain another. In the given Q  ratio of di...

Q: Rift Valley Plate Plate Mo Fill in the information for Rift Valley. Boundary Type: and Type of Plate...

A: Plate tectonics theory notes that underneath the earth's lithosphere, slabs called plates float and ...

Q: If a cluster of stars is rich in T-Tauri stars, it is   a. a very old cluster.   b. a very b...

A: A star is an extra-terrestrial astronomical body that radiates its own energy due to the nuclear rea...

Q: How are ring galaxies formed?

A: In the universe several types of galaxies are present but the ring galaxy is different of all. A rin...

Q: When were neutron stars first predicted?   a. 1806   b. 1932   c. 1967   d. 1983

A: The neutron-stars are the densest-objects in the universe have a force of-gravity that is about 1011...

Q: An X-ray image of the Antennae Galaxy (the result of a collision of two galaxies), shows clouds of v...

A: The collision of galaxies causes massive clouds of H gas to collect and compress, creating a series ...

Q: Oceanic crust Continental crust Lithosphere Lithosphere Asthenosphere Oceanic-continental convergenc...

A: Earth is a terrestrial planet, meaning it has a rocky surface primarily made up of silicate rocks an...

Q: Hypernovae are   a. supernovae that occur when two red dwarfs collide.   b. supernovae that ...

A: A hypernovae is an extremely energetic supernovae with mass more than 25 solar masses. It gets colla...

Q: Fill in the information for a Volcano Island Arc. Boundary type: Type of plates: and How it's formed...

A: Tectonic plates are piece of earth crust and upper mantle which together are called as lithosphere. ...

Q: The most precise measurements of the Hubble constant yield a value of   a. 10 km/s/Mpc.   b. ...

A: Hubble constant is a constant value described by Hubble's law. Hubble's law is a law of physical cos...

Q: 14) The chart below shows the temperature highs in Lincoln, NE over the month of February 2019.  The...

A: Climate is the long-term average of weather also it measures the variability of mereological factor ...

Q: High-speed collisions in which a smaller galaxy passes through another galaxy almost perpendicular t...

A: When smaller galaxies move through the center of larger galaxies, ring galaxies are formed. When two...

Q: What is the difference between a type Ia, a Type Ib, and a type II supernova?

A: A supernova is a huge explosion of a star when it approaches the end of its lifespan. When the star ...

Q: The slowing of clocks in strongly curved space-time is known as   a. gravitational radiation. ...

A: The discovery of many astronomical concepts helps us to determine the understanding of several proce...

Q: During the first moments of the big bang, nuclear fusion reactions made few heavy elements because ...

A: According to studies, it has been documented that during the initial stages of the formation of the ...

Q: The galaxy cluster that includes the Milky Way is called   a. the Sagittarius Group.   b. th...

A: The universe formed around 13.8 billion years ago. The time it got formed it was of a size of a dot....

Q: ESTVE RGENT BON Rift Valley -> Plate Plate Mantle

A: The diagram given is of the formation of a rift valley. These valleys are long and linear and can ex...

Q: The hot spots in double-lobed radio sources   a. appear to coincide with the location of the cen...

A: Ever since the beginning of the Universe, matter and energy were created. These matters and energy e...

Q: According to current evidence how might have platyrrhines (New World monkeys) originated in South Am...

A: The Earth was created about 4.54 billion years ago. The first life on Earth originated around 3.7 bi...

Q: Which do you think is the most common type of rock on the surfaceof the Earth? (Igneous, Sedimentary...

A: The rock-cycle is made of igneous metamorphic and sedimentary-rock types. These rocks undergo transi...

Q: (Tropical Forests) True or false: In a tropical forest ecosystem, there are strong seasonal weather ...

A: Our planet Earth is the third planet of the solar system. It is the only planet having a life. For l...

Q: What is the distinction between primary textures and secondary textures?

A: The Earth is made up of various kinds of rocks. These rocks begin their life cycle from the solidifi...

Q: As the falling temperature of the universe reached 3000 K, protons were able to capture and hold fre...

A: Ever since the first sequence of galaxies came into existence, it was known to cause the termination...

Q: Which of the following is FALSE about primary productivity? A. In the ocean, it is highest at lo...

A: Of all the eight planets of the solar system, suitable conditions for life are only present on the e...

Q: _________________________ is an irregular galaxy that is believed to have collided with the Milky Wa...

A: Andromeda Galaxy is a barred spiral galaxy, not an irregular galaxy.  The Small Magellanic Cloud is ...

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A: Texture- A texture is the outer look of rock in terms of its grain or crystals, whether it be igneou...

Q: Explain how Cepheid variables are used to determine distances to nearby galaxies.

A: Firstly, let us discuss something about Cepheid, Cepheid: An American molecular diagnostics company

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A: The space constitutes of various celestial bodies and stars. There are some which are formed with th...

Q: Oceanic crust Continental crust Lithosphere Lithosphere Asthenosphere Oceanic-continental convergenc...

A: Earth is a terrestrial planet, meaning it has a rocky surface primarily made up of silicate rocks an...

Q: As a star exhausts hydrogen in its core, it   a. becomes hotter and more luminous.   b. beco...

A: The universe is all the time and space that includes all the galaxies, stars, planets, and all forms...

Q: 16) The rock shown below is obsidian, a type of volcanic glass.  Which of the following statements i...

A: Rock is solid naturally occurring substance which is aggregate of mineral or sediments matter. Diffe...

Q: Why does a medium-mass star expand into a giant?

A: A star is a celestial body present in abundant amounts and each star has its galaxy. Our galaxy is a...

Q: When light from a distant object passes a nearby massive object and is deflected by the gravitationa...

A: When light from a distant object passes a nearby massive object and is deflected by the gravitationa...

Q: Explain the process our sun will go through when it dies.

A: Ever since the beginning of the Universe, matter and energy were created. These matters and energy e...

Q: Boundary type: and Type of plates: How it's formed:

A: The given diagram is of the oceanic continental convergence. There is a clear divide between the oce...

Q: How do the highest-mass stars end their lives?   a. gently puffing off their outer layers   b...

A: Ever since the beginning of the Universe, matter and energy were created. These matters and energy e...

Q: Space-time will be flat if   a. the universe is expanding.   b. the universe is accelerating...

A: Let us discuss something about Universe, All of the space and time, including planets, stars, galaxi...

Q: 6) Groundwater is not connected to surface water. A) True B) False

A: Groundwater is one of the important water sources that are stored inside the ground in the spaces be...

Q: Visit Stone Mountain. What type of rock is Stone Mountain made up of? Stone Mountain is is a large e...

A: Rock and skeletal features describe an environment, classify its variations, and explain the way it ...

Q: Most of the mass of a galaxy is contained in the   a. massive O and B stars in the galaxy.   ...

A: Most of the mass of a galaxy is not determined by the massive O and B stars in the galaxy. Most of t...

Q: True or false: Fuel reduction treatments lead to enormous ecological harm without many positive effe...

A: Forest fuel reduction treatments are widely used by management to reduce the risk of large wildfires...

Q: Fill in the information below for Folded Mountains. Plate Boundary: and Types of Plates: How they're...

A: Tectonic plates are piece of earth crust and upper mantle which together are called as lithosphere. ...

Q: A ___________________ has a radius of about 10 km and is supported by the pressure associated with d...

A: The neutron star is collapsed core of a large supergiant star it has a mass between 10 to 25 solar m...

Q: A planetary nebula has a radius of 0.5 pc and is expanding at 20 km/sec. What is the approximate age...

A: A star is an extra-terrestrial astronomical body that radiates its own energy due to the nuclear rea...

Q: 1 message Which processes lead directly to the formation of metamorphic rock?

A: There are different types of rocks that are seen in the world. These rocks are formed due to the nat...

Q: The types of galaxies that cover the widest range of diameters and luminosities are   a. spiral ...

A: Among all the types of galaxies, elliptical galaxies have the widest range of diameters and luminosi...