______________________ are produced when two galaxies pass near each other and pull large streamers of stars, gas, and dust away from the galaxies.   a. Ring galaxies   b. Spiral galaxies   c. Rotation curves   d. Tidal tails

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: What are the special features in the restoration that will help endangered species adapt to sea leve...

A: The rising sea level is due to the amount of climate change the world is facing. This is leading to ...

Q: What is the difference between ambient and stratospheric ozone? What is destroying stratospheric ozo...

A: Ozone is a compound made up of three oxygen atoms that is naturally present in the atmosphere. Altho...

Q: What’s a tidal bore?

A: Waves are generated when energy is passes from the water which cause a motion of water. There are se...

Q: True or false    For Ocean thermal energy conversion, the temperature difference between warm and co...

A: Ocean Thermal Energy Conversion (OTEC) is a technology that deals with marine renewable energy. Elec...

Q: The increasing price of oil triggered by the ship incident in Suez Canal has caused the problem in g...

A: Natural resources are materials that come from the Earth and are used to support life and meet human...

Q: Stars with masses between 0.4 M and 4 M   a. undergo thermonuclear fusion of hydrogen and helium...

A: The universe is formed around 13.8 billion years ago. At the time when it got formed, it was a size ...

Q: Name two types of careers that are important in natural disaster management and explain why they are...

A: Natural disasters are caused and regulated by nature itself. No external entity has capability to pr...

Q: The density of a neutron star is   a. about the same as that of a white dwarf.   b. about th...

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

Q: What could be causingmore of the El Niño state than the La Niña state?

A: Climate is the long-term average of weather pattern. It is an average of weather pattern of almost 3...

Q: What causes glacial advances and retreats during an Ice Age?

A: A glacial period is a time interval marked by colder temperature and glacial advances. It lasts for ...

Q: Identify the fire class and the type of extinguisher appropriate for each fire situation. (a) Chemic...

A: Fire is an exothermic element. The triangle of fire is heat, fuel, and oxygen, thus fire cannot exis...

Q: Why did we write that there is one world ocean? What about the Pacific and Atlantic oceans, the “Sev...

A: The world at the time of formation composed of a supercontinent named Pangea which was-surrounded by...

Q: True or False    1. In Darcy's Law, K is a parameter known as hydraulic conductivity that takes into...

A: Darcy’s law is a law which describe the fluid flow through a porous medium. It was developed by Henr...

Q: Give an example of evolutionary convergence.

A: Earth is the third planet in the solar system. It formed almost 4.5 billion years ago. It is the onl...

Q: True or false 1. Both terracing and contour plowing increase infiltration and enhance water conserva...

A: Water and soil conservation is important for cultivation and farming. Several methods of cultivation...

Q: Please define what is smart city by using the application of information technology and suggest five...

A: The smart-city is an urban-area concept is based-on the use of electronic sensors that collect-data ...

Q: Thinking Critically How is a population different from a community? A niche from a habitat?

A: The environment is all the living and non-living organisms in an area. This term is often applied to...

Q: We seem instinctively to know whether something is alive or not. How do you suppose we make that jud...

A: When we look around we see many thing around us like cars, building , animals, mountains, rivers etc...

Q: What’s convergent evolution?

A: Firstly, let us discuss something related to convergent, Convergent: coming closer together  

Q: Observations from the Compton Gamma Ray Observatory showed that gamma-ray bursters were located thro...

A: The gamma ray bursters are associated with black holes and neutron stars. They generates when two ne...

Q: Why can’t geothermal steam be produced on, say, the east coast of the United States?

A: Geothermal steams are associated with the volcanic chains where the magmatic chamber is present unde...

Q: Population II stars   I.   are primarily found in the disk of the galaxy.   II.  contain more heavy ...

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

Q: Why are Cepheid variable stars important in the study of the Milky Way Galaxy?

A: Cepheid variables, also called variable stars are the stars that brighten and dim periodically. The ...

Q: Thinking Analytically Look again at as shown and consider the descending water. First, why does it s...

A: Ekman Transport is an observed phenomenon that depicts that the water in the ocean moves right angle...

Q: P Question 4 Cows release a gas called methane as they digest their food. Methane is a heat-trapping...

A: Cows are ruminants, implying that microorganisms in their multi chambered stomachs help them digest ...

Q: Low-mass stars   a. consume their fuel rapidly and live long lives.   b. consume their fuel ...

A: The low mass stars consume their hydrogen fuel very slowly and live long lives. They do not consume ...

Q: Which galactic region has the greatest metal content of stars?   a. halo   b. nuclear bulge ...

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

Q: Describe the difference between a reflection nebula, an emission nebula, and a dark nebula and what ...

A: A nebula is a gaseous and dusty interstellar cloud. It is located in the dense region of interstella...

Q: The supermassive black hole at the center of the galaxy is estimated to be   a. 4 solar masses. ...

A: The Supermassive Black Hole(SBH)s are a type of black hole which has high mass and less volume locat...

Q: Describe cultural commonalities and differences as related to renewable energy in the differing coun...

A: “Since you have asked multiple questions, we will solve the first 2 questions for you. If you want a...

Q: A nova is almost always associated with   a. a very massive star.   b. a very young star. ...

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

Q: Synchrotron radiation is produced by   a. objects with temperature below 10,000 K.   b. high...

A: The electromagnetic energy emitted by the charged particles moving ata high speed is known as Synchr...

Q: What are green plans?

A: Every year as the world is facing environmental issues there are a lot of strategies that have been ...

Q: True or False 1. To bring about a fusion reaction, the reacting nuclei must be brought very close to...

A: Nuclear fusion is a response where at least two nuclear cores are consolidated to shape at least one...

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: PLEASE SOLVE !!

A: Hydrothermal vents are geothermal fissure regions that are present in active tectonic regions, like ...

Q: Earth Science Question

A: Relative humidity is given in percentage and tells you how close the air is to being saturated. wate...

Q: 1.) What is the basis for dividing the atmosphere into four layers?

A: The atmosphere is the blanket surrounding the environment. This blanket consists of various layers d...

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

A: Volcanic island arcs are long chains of island arcs, associated with intense volcanic activity and o...

Q: Climate diagram from Albuquerque, New Mexico. In Albuquerque, when is actual evapotranspiration appr...

A: The above given graph is the temperature and precipitation data of Albuquerque, New Mexico. This dat...

Q: What evidence is there that an asteroid struck Earth at the end of the Cretaceous Period?

A: An asteroid of relatively big size struck on the earth at the end of the Cretaceous period, which is...

Q: Why were oceanographic conditions at Earth’s poles of interest to scientists?

A: Oceanology is one of the important and modern sciences facing studies to research and gather informa...

Q: What innovations did the Chinese bring to geology and ocean exploration? Why were their remarkable e...

A: Earth science is the study of the Earth and the various processes that are going on in the Earth sys...

Q: What forces are responsible for the motion of planets and other celestial bodies?

A: All celestial objects in the universe follow certain paths for their stability. The position of seve...

Q: What feature is unique to cnidarians? Name some cnidarians.

A: Large communities of organisms live in the ocean. Most of them are not known yet. The organisms pres...

Q: Please help those are the options

A: The weather affects us in many ways. Daily climate change can affect how we feel and how we view the...

Q: Explain how Sir William and Caroline Herschel attempted to gauge the true shape of our star system.

A: Before the 17th century, we did not know how our galaxy looked like. Scientists were unclear about i...

Q: The escape velocity of an object depends on   I. the mass of that object.   II. the mass of the obje...

A: Escape velocity is the minimum speed which is required for a free object to escape from the gravitat...

Q: What event or events marks the start of the Anthropocene? What are some impacts, both positive and n...

A: The geological timescale is the system of classification of the geological strata in time. It is div...