Silicon is an unlikely element for the basis of life because it   a. is less abundant than carbon.   b. is more abundant than carbon.   c. is more chemically active than carbon.   d. forms weaker bonds than carbon.   e. none of the above.

Q: My question is in the picture.

A: The water cycle describes the movement of water through land, various waterbodies and the atmosphere...

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A: Comet Halley, also addressed as 1P/Halley, is a short-period comet that is visible from Earth every ...

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Q: What is the Great Red Spot?

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Q: The type I, or gas, tail of a comet   a. is smooth and featureless with a spectrum identical to ...

A: Comets are solid bodies that are leftovers of solar system formation. It consists of dust, rock and ...

Q: What principle is shown in this image? Cross-cutting Inclusions Superposition O Original horizontali...

A: The Earth is the third planet in the solar system, and it is a terrestrial planet. Therefore, the ea...

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Q: An asteroid has an orbital period around the sun of 5.2 years. How far from the sun is this asteroid...

A: The orbital radius is the distance between the object and the body and this orbital radius is covere...

Q: The ozone layer is found at approximately what altitude above Earth?   a. 5–15 kilometers   b...

A: The atmosphere of a planet, such as Earth's, is made up of layers of gas molecules. The troposphere,...

Q: Follow direction of the image and choose the correct answer

A: Option C will be the correct answer.

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A: All the celestial bodies are shaped and held together by their own gravity. The celestial bodies are...

Q: The “process of compaction and cementation of sediments to form sedimentary rocks” is called?   ...

A: Earth is the third planet in the solar system. It is a terrestrial planet, meaning it has a solid ro...

Q: Which of the following may have organic particles (hydrocarbons) on its surface as a result of the i...

A: Firstly, let us discuss something about particles,  Particle:  A small localized object  Can be att...

Q: Which is an example of a medium energy environment?     Delta     Mountain river    ...

A: On the earth several types of environments are present based on the energy conditions present there....

Q: Radar mapping of Venus by spacecraft discovered that roughly 85 percent of the surface of Venus cons...

A: Venus is the second planet of our solar system. It is earth’s twin. The temperature of the Venus is ...

Q: Deoxyribonucleic acid is better known as   a. vitamin D.   b. reproductive enzymes.   c. ...

A: By analyising the question In the given question we need to tell what is Deoxyribonucleic acid is be...

Q: How does Islas Marias contribute to natural, economic, or cultural resources

A: Islas Marias is a biosphere reserve present in Mexico. It is a UNESCO biosphere reserve and contain ...

Q: Follow direction of the image and choose the correct answer

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

Q: Where does most of the power generated in the U.S come from?

A: Energy is very essential for human civilization to develop. Energy is required for industries, house...

Q: What is meant by a “runaway” greenhouse effect on Venus?

A: The solar system is the gravitationally bound system around the sun. It has 8 planets, moons revolvi...

Q: What are the major differences and similarities in the ring systems of Saturn and Uranus.

A: The solar system has a lot of planets; some are recognized ones while the others are dwarf ones. Som...

Q: What is the hardness of quartz?     1     7     3     5

A: The solar system’s third planet is the earth. The crust is the outer layer of the earth which is mad...

Q: Follow direction of the image and choose the correct answer

A: Option B will be the correct answer.

Q: Large, reasonably flat and dark areas that cover a good portion of the side of the moon facing Earth...

A: The moon is the only natural satellite of the earth and the largest celestial body nearby. Known sin...

Q: Which of the following planets has its axis of rotation tipped the most?   a. Uranus   b. Ne...

A: The axis is an invisible-line that can be found around when an object-rotates and spins. As each pla...

Q: If the source of the meteorites is a larger body that has differentiated and fragmented, then the ac...

A: An achondrite is a stony meteorite that does not contain chondrules. It consists of materials that a...

Q: Comets falling into the inner solar system from the _____________________ become long-period comets....

A: The universe is full of celestial bodies and other components. There are times when these bodies mov...

Q: Spacecraft observations of the nucleus of Comet Halley show that it is   a. extremely bright and...

A: Comets are objects in the space that tend to roam here and there. One of this is the comet Halley. T...

Q: Which country was the world's worst CO2 polluter from 1960 to 2005? China India USA

A: By analysing the question We need to find out which country was worlds worst polluter.

Q: Saturn’s F ring and the rings of Uranus are similar in that they   a. are made of dark material....

A: The F ring is the peripheral of Saturn's rings. It is maybe the most dynamic ring in our nearby plan...

Q: The iron meteorites probably formed from   a. large planetesimals that melted and differentiated...

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Q: What is the answer of this question?

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A: The “Toxic Chemicals and Hazardous and Nuclear Wastes Control Act of 1990,” commonly stated as Repub...

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A: By analyzing the question, The question is about the asteroids. Below you can see the formation of a...

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Q: For the most recent decade, 2010-2019, CO2 emissions from land-us what fraction of the total? 5% 14%

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Q: Identify what type of rock belongs to the rock in the photo (igneous, sedimentary or metamorphic roc...

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A: The ecosystem is the geographical area where the living organisms live and interact with each other ...

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Q: What is the “greenhouse effect” and why does it cause much higher temperatures on Venus than it does...

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Q: Discuss the significance/purpose of land preparation?

A: Agriculture is the art and science of the cultivation of the soil. Several scientific, as well as ol...

Q: what does mean subline, crossline and time slice in seismic data.

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Q: Examination of photographs of Europa taken by the Galileo spacecraft in orbit around Jupiter support...

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Q: What are the top 3 hazards posed by alien invasive species?? Support your answer with examples of in...

A: Alien invasive species are organisms that are non-native to an ecosystem and they may cause harm to ...

Q: What is the difference between sessile and vagrant organisms?     Sessile organisms swim and v...

A: Aquatic organisms exist in salt and fresh water, and vary according to their sizes, the nature of th...