ich of the following is NOT one of the four laws of stellar structure?   a. Conservation of mass   b. Conservation of energy   c. Conservation

Q: What is meant by thermal equilibrium? Is Earth’s heat budget in balance?

A: Thermal equilibrium refers to the state of a system in which all parts are at an equal temperature. ...

Q: The ____________________________ is the nuclear fusion of three helium nuclei to form a carbon nucle...

A: Proton-Proton chain or p-p chain is a nuclear fusion of hydrogen to helium. The Carbon-nitrogen-oxyg...

Q: What is a trophic pyramid? What is the relationship of organisms in a trophic pyramid? Does this hav...

A: The energy is transferred from one level to another in a trophic pyramid. The energy at the lowest l...

Q: Stone Mountain is a located near Atlanta, Georgia. It is the largest piece of exposed granite in the...

A: The Earth essentially exists in a dynamic state. Many processes operate in its system, such as const...

Q: 1. a) The earth's inner core is just a few hundreds of degrees less than the temperature of the Sun:...

A: On the basis of composition, Earth can be subdivided into the outermost layer crust, upper mantle, l...

Q: The ________________ of a star is a measure of the total energy radiated by the star in one second. ...

A: A star is an extra-terrestrial astronomical which radiates its own energy accounting for the radioac...

Q: Which of the following is NOT evidence of the existence of an interstellar medium?   a. extincti...

A: Firstly, let us discuss something about the interstellar medium, Interstellar medium(ISM):  The matt...

Q: How and when did the Earth come to be?

A: The model formation of Earth came from the Nebular hypothesis.  Shortly after the big bang, a large ...

Q: Describe the general composition and structure of the atmosphere.

A: The general composition of atmosphere : About 99% of the atmosphere is made up of Nitrogen (78%) and...

Q: The free-fall contraction of a molecular cloud   a. can be initiated by shock waves from superno...

A: The free fall contraction of a molecular cloud can be initiated by shock waves from supernovae.  The...

Q: What land and air conditions make the central United States the tornado capital of the world?

A: The Earth is made up of four spheres known as lithosphere, atmosphere, hydrosphere, and biosphere. A...

Q: Please answer

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

Q: Air Mass Worksheet కలో Locations B, C, D. and I are considered colder climates. Letter Hot/Cold Air ...

A: Air mass- an air mass is defined as a parcel of air having unique characteristics such as temperatur...

Q: As the earth rotates on its axis, what is its angular velocity in a day in radians? If the mass of t...

A: The earth is the third most planet of the solar system. It rotates from west to east. The tilt of th...

Q: What is the range of the ionosphere?

A: The ionosphere is a layer of atmosphere that is comprised of particles that are charged electrically...

Q: 4. How do you compare climate on land and climate near the sea? 5. Why do you think some locations t...

A: The Earth is enclosed by a blanket of gases called the atmosphere. The atmosphere serves as a protec...

Q: After close examination, you notice an erosional surface between the sandstone and shale, but the be...

A: An unconformity is a surface characterized by a period of erosion and non-deposition. An unconformit...

Q: please answer

A: The warm-air mass consists of light air and the cool air-mass consists of the heavier and denser air...

Q: Compared with the spectral lines in the solar spectrum, lines in a supergiant spectrum are   a. ...

A: The spectral lines result from the absorption or emission of light in a narrow range of frequency in...

Q: Thinking Critically Why doesn’t the ocean boil away at the equator and freeze solid near the poles?

A: The world is covered with almost seventy-one percent of oceans. This water helps human life to have ...

Q: As individual what can you do to help lower down the upshot of climate change?

A: by powering my home with solar appliances. by consuming less amount of meat. buying more local goods...

Q: What basic forces produce the main ocean currents?

A: Oceans are the largest water bodies on the earth. The currents that are present in the ocean are cal...

Q: Convection is important in stars because it   a. increases the temperature of the star.   b. ...

A: Convection or stellar convection consist of movement of plasma inside a star which forms the circula...

Q: Speculate on one method that a country could employ to attain a sustainable population?

A: Let us discuss something about sustainable, Sustainable: the capability to maintain a certain rate.

Q: The brightest stars are luminosity class   a. Ia.   b. Ib.   c. II.   d. IV.   e....

A: Luminosity is defined as the radiating power of a star i.e., the amount of electromagnetic radiation...

Q: Which stars produce energy using the CNO cycle?   a. Low-mass main-sequence stars.   b. Main...

A: The lower mass main sequence stars produce energy using the proton-proton chain.  Main-sequence star...

Q: How did volcanic activity influence the early development of life on Earth?

A: There are two important gases, which support the life and that are oxygen and carbon dioxide. Oxygen...

Q: What is the difference between absolute and apparent visual magnitude?

A: Firstly, let us discuss something about the magnitude, Magnitude: The size, extent, or importance of...

Q: List seven climate “wedges.”

A: Climate is the long-term average of the weather over almost 30 years. The primary factors of climate...

Q: Reflection nebulae appear to be what color?   a. pink   b. red   c. white   d. blue

A: Reflection nebula is created when light from star is scattered or reflected from the nearby dust clo...

Q: What is the identity of this fossil? Brachiopod   Trilobite Gastropod Ammonit...

A: This is a trilobite fossil.

Q: I need help on the first question for reasoning and this is about the city boston

A: Temperature is the increasing or decreasing of heat that is caused do to atmospheric changes and bec...

Q: 4/27/2021 BrainPOP Date: Brain POP Climate Change Worksheet Name: Cless: Analyze It Examine the mont...

A: Carbon dioxide is a covalent compound made by sharing one carbon atom with two oxygen atoms. Carbon ...

Q: What might be the possible strategies you can think of (at least 5) to prevent water scarcity and sh...

A: The availability of pure drinkable water is a matter of question. High urbanization and industrial u...

Q: As environmental science student, think at least 5 ways in managing domestic wastewater discharge an...

A: Domestic wastewater is the water that is drained from the houses on a daily basis. this water needs ...

Q: ___________________ is the thermonuclear fusion of hydrogen to form helium operating in the cores of...

A: Thermonuclear fusion of hydrogen is the mixing or colliding of two different atoms. when these atoms...

Q: 1. What are four kinds of erosion? 2. How can excessive fertilizer and irrigation be a problem? 3. W...

A:  Erosion is a process by which earth material like soil and sediment are carried away by any source ...

Q: 1. Explain what weather is and it's important to human existence.

A: Weather is a natural condition of the atmosphere surrounding us. The local weather is the state of t...

Q: What is the differences of relative and absolute dating?

A:   Earth’s history is filled with various activities since its inception. Nature records its history ...

Q: How does glacial ice in Greenland that is thousands of years old provide a record of climatic change...

A: Climate is the long term average of the weather pattern. Paleoclimatology is the study of climate fr...

Q: Please answer the question in the photo

A: Drilling is the process of cutting through rock and making circular cross section through rocks with...

Q: Why is it difficult for us to make lifestyle changes based on those predictions today?

A: Humans have a vast imagination and thinking capacity, which makes them think ‘how would be our futur...

Q: Explain what is meant by weather and its important to human existence.

A: Weather is an atmospheric condition which is a set of certain conditions like hotness, coldness, clo...

Q: Define what is Soil drainage ?

A: Soil drainage is a natural process by which water moves in and out of the soil due to the effect of ...

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 stars produce energy using the proton–proton chain?   a. Low-mass main-sequence stars. ...

A: Nuclear fusion is a process in which 2 or more atomic nuclei are combined to form one or more differ...

Q: What’s happening to the lava in the lava lake inside the volcano in Ethiopia? What largescale proces...

A: In the lava lake, lava flows like fountains. Currently, the lava lake is increasing again because of...

Q: ANALYZING. given the following scenarios, answer what is asked. you lived in the countryside. one ni...

A: An earthquake is the tremendous shaking of thee the surface of the earth. This is caused due to the ...

Q: If a main-sequence star is four times more massive than the sun, how many times more luminous is it?...

A: A main sequence star is a star in the stable part of its life cycle.  They are the most common types...

Q: A star’s luminosity depends only on the star’s   a. distance and diameter.   b. temperature ...

A: Stars are one of the most important parts of our universe as they are the one who are at the center ...