Any theory used to explain the formation of the solar system must account for which of the following observations?   a. The orbits of the planets lie along the same plane.   b. The rotation o

Q: In the double-exhaust model, the geometry suggests that the radio lobes are inflated by   a. jet...

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

Q: The main reason the night sky is dark is that the universe is   a. static.   b. infinite in ...

A: The darkness of the sky is highly influenced by the occurrence of the Sun, but it is also influenced...

Q: |-Climate Phenomena - Fill in the table with the needed information about the global climatic phenom...

A: Weather is defined as the instantaneous condition. That is, it describes the condition of the atmosp...

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

Q: Explain how Porphyritic texture is most likely to develop

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

Q: The flatness problem and horizon problem   a. are solved if there was a sudden inflation of the ...

A: There are two types of problems with the Big Bang model. The first one is known as flatness problem....

Q: TRUE OR FALSE 1. In places where warm air is rising, the air pressure is low while the places where...

A: The force that is exerted on the surface of the earth by air is called air pressure or atmospheric p...

Q: Among spiral galaxies, what percentage are barred spirals?   a. 10%   b. 33%   c. 50% ...

A: Among the spiral galaxies, 67% of them have barred spirals and the remaining are normal spirals.  

Q: What is a lake? Are lakes temporary or permanent? Explain.  a. Give one example and explain how it f...

A: Earth is the third planet in the solar system and a terrestrial planet as well. The earth's surface ...

Q: Astronomers can see instances where galaxies moving through the intergalactic medium leave behind ...

A: Active galactic nuclei or AGN are galaxies with very bright nuclei where the central luminosity can ...

Q: Stars form as the result of the gravitational collapse of clouds of gas and dust. The rotation of th...

A: The correct answer will be option b i.e. causes the dust and gas to form a spinning disk around the ...

Q: list of amendments for clear air act and clear water act

A: Everything that is present in our surroundings make up the environment. Environment basically includ...

Q: A megaparsec is equivalent to   a. 3.26 light-years.   b. 206,265 light-years.   c. 206,...

A: The length between two random points and this length can be either linear (straight) or non – linear...

Q: 45) The image below represents a mountain and the crustal root beneath that mountain.  What will hap...

A: Firstly, let us discuss something about erosion, Erosion: breakage/ picked up of sediments and moved...

Q: Where would you expect to see volcanic activity on the map?

A: Volcanic activity will be more pronounced on the point C where there are a chain of volcanic arcs.

Q: Which of the following are the three dimensions of sustainability? A. Environmental, social, and...

A: Sustainable development is the idea that human societies must live and meet their needs without comp...

Q: Protoplanets of the Jovian planets could have grown very hot from   a. heat from the sun.   b...

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

Q: Which type of rocks is rich in minerals? Explain

A: Rock is a naturally occurring solid mass of one or more minerals. It is the fundamental unit of soli...

Q: Explain how to find distances to distant galaxies using the Hubble law?

A: Edwin Hubble was the first one to observe the galaxies to be moving away from us in 1929. He measure...

Q: What is the difference between a Type 1 Seyfert galaxy and a Type 2 Seyfert galaxy?

A: Seyfert galaxies are a type of active galaxies. It has an Active Galactic Nuclei (AGN) present, allo...

Q: TRUE OR FALSE 1. Warm air is more dense than cold air. 2. A Land Breeze is wind blowing from the la...

A: Air-mass is the volume of air that s defence in terms of temperature and water-vapour and it may cov...

Q: What are the fundamental techniques to balance the natural environment? Briefly explain your answer?

A: An environment is defined as anything that surrounds us. The living and non-living components which ...

Q: Observations of galaxies and clusters of galaxies reveal that our universe is ___________________ pe...

A: Dark matter is a type of matter that does not interact with electromagnetic radiation in any way, be...

Q: True or False   1. For most residential and commercial buildings “subtantial life safety” means few ...

A: Earthquakes are major threats for those peoples living in an earthquake-prone area. It causes damage...

Q: The Hubble time is   a. the time it takes a galaxy moving at 1,000 km/sec to move 1 Mpc.   b....

A: Hubble’s law states that galaxies are moving away from the Earth with speed proportional to its dist...

Q: What are the fundamental techniques to balance the natural environment? Briefly explain your answer?

A: The natural ecosystem tends to same everywhere it has an internal mechanism that enables it to be st...

Q: 68. What is the greenhouse effect? How is it both beneficial and harmful to the environment?

A: The greenhouse effect is the natural warming of the Earth due to the presence of some gases in the a...

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 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: Magma and lava with a high silica content have a high ____________________ and a low _______________...

A: Lava and magma are the high temperature molten rocks. High temperature molten rocks inside the earth...

Q: FACTORS AFFECTING CLIMATEA. Science StoryDIRECTIONS: Read the story and answer the guide questions.G...

A: Latitude is a geographic coordinate system which help in knowing the north or south position and dis...

Q: The assumption of homogeneity states that   a. the universe looks the same at all epochs.   b...

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

Q: In 1943, the astronomer at Mount Wilson who found some spiral galaxies with small, highly luminous n...

A: A galaxy is a system of stars, stellar remnant, interstellar gas, dust and dark matter. Seyfert gala...

Q: 1. What is the most popular star in this constellation? URSA MINOR 2. Why is this star popular? http...

A: A constellation is a place in the realm of the celestial sphere in which a group of visible stars fo...

Q: This project aims to assess the understanding and implementation of the concepts related to the envi...

A: The United Nations Development Program (UNDP) identified a number of long-term objectives by analysi...

Q: Identify what you believe to be the number one waste or pollution problem faced by the United States...

A: Number one pollution problem faced by the united states is the problem of deforestation. 

Q: 33) Which combination will most likely lead to liquefaction during a high-magnitude earthquake? A)...

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

Q: Fill in the table with the needed information about the global climatic phenomena.

A: Climate is the average weather pattern of a region. It is the average of almost 30 years of weather ...

Q: How does our use of fossil fuels influence climate change?

A: The natural resources of earth like coal, natural gas, petroleum are called fossil fuels. These are ...

Q: Write an abstract about assessing groundwater quality in Ghana.

A: Ghana is a west African country with area of 238,535 sq. km. it has a population of near to 31 milli...

Q: Other than the externally-imposed cooling rate, what are the three principal rates that govern rock ...

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

Q: Which major galaxy classification contains no visible gas or dust and lacks hot bright stars?   a...

A: Near about 13.8 billion years ago our universe got formed. At the time when it got formed it was a s...

Q: Aerosol perturbations to climate are distinctly different from greenhouse gases because they (select...

A: Firstly, let us discuss something about greenhouse gases, Greenhouse gases: Those gases which absorb...

Q: The first picture is soil profile A, and the second picture would be Soil profile B.

A: Figure 1- The top layer is Ah. The suffix h represents that the soil has considerable amount of orga...

Q: what is matter

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

Q: 17) Which type of magma would be the most viscous? A) felsic B) intermediate C) mafic D) ult...

A: Magma is molten liquid to semi solid rock mixture found under the earth. most magma consist of miner...

Q: Iron (Fe) is among the most abundant elements in the earth's crust. It is a constituent in structura...

A: Solid solutions are two or more solutions of different pure materials that are mixed together to for...

Q: Write down the Difference between reactive and passive environmental strategies with example

A: Proactive Procedures are mediations that are utilized on a continuous premise trying to decrease the...

Q: Please answer ty

A: Weather and climate are important to describe the atmospheric conditions of Earth. In turn, they aff...

Q: True or False 1. In materials containing a wide range of grain sizes, finer materials can fill the g...

A: Porosity is the void area or an available area of fraction through which a medium can slip away. Thi...