Who is responsible for disproving the existence of Vulcan?        What is the name of the theory he developed that could mathematically explain the orbital wobble of Mercury.

Q: Over the past 60 years, the increase in atmospheric CO2 when smoothed over the seasonal cycle has be...

A: The Mouna Lowa observatory stores the largest time-series data of atmospheric CO2 concentration. Thi...

Q: As a moon in a very elliptical orbit moves closer to and then farther from a planet, gravity flexes ...

A: Let us discuss something about the moon, The Moon: At about one-quarter the diameter of Earth The 5...

Q: Which country was the world's worst CO2 polluter from 1960 to 2005?   Group of answer choices Ch...

A: By the review of the question  We need to find who was the worlds worst polluter of Carbon Dioxide. ...

Q: A(n) ________________________ is a stony meteorite that contains no chondrules and no volatiles. The...

A: Option a will be the correct answer. 

Q: Question #6: A student drew a model of the early stages of the formation of the solar system in whic...

A: Let us discuss something about the Nebula, Nebula: An interstellar cloud of dust, hydrogen, helium, ...

Q: Which of the following statements best describes a cell’s activity?   a. absorbs nourishment fro...

A: By review of the question The question is about the statements best describes a cell’s activity. Bel...

Q: Because the rings of Saturn lie within the planet’s Roche limit, the rings may have formed as a resu...

A: Matter and energy were created and existed since the beginning of the Universe. They exist in differ...

Q: which one lives longer? an O3 main-sequence star or K7 main sequence star? why?

A: By analyising the question We need to find which of  the given star lives longer. Below you can find...

Q: ________________ is a segment of a chromosome that controls a specific function.   a. DNA   b...

A: By reviewing the question We need to fill the blank with correct option ________________ is a segmen...

Q: The formation of asteroids is the result of   a. a collision between two planets.   b. plane...

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

Q: Many collisions caused planetesimals to fragment into smaller pieces. These pieces probably make up ...

A: Collisions take place a lot in space, especially during and after the formation of the objects of th...

Q: Some people say that the concept of sustainable development represents going back to some kind of p...

A: The concept of sustainable development is the development that exists for the future of mankind. It ...

Q: Evidence that life began in the oceans has been found in   a. surface rocks   b. sediments o...

A: The earliest form of life on Earth occurred during the Eoarchean Era about 3.5 billion years ago, wh...

Q: What type of symmetry is shown in this image?

A: Symmetry of an organism is uniformity in body parts on a plane around an axis. Symmetrical organism ...

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

A: Rock Relay:  This means the continuation of the rock layers in one site  This is especially true of ...

Q: Images taken by spacecraft of the Great Red Spot on Jupiter show that it is   a. a large cycloni...

A: Jupiter is 5th planet in the solar system and is the largest. It is categorised as Jovian planet as ...

Q: 2. (a) The diagram below represents a cross section that shows thie structure of the Earth. Name and...

A: By analysing the question, We need to tell and describe the diagram where arrow is pointed. Below yo...

Q: Q3 H a) Indicate the sequence of the geologic process from old to new F b) Name each geologic activi...

A: a. From the principle of superposition, the older layers lie below the younger layers. Therefore in ...

Q: Nereid orbits Neptune in a highly elliptical orbit and Triton has a retrograde orbit around Neptune....

A: Firstly, let us discuss something about Neptune, 8th planet from the Sun 4th largest planet by diam...