(7) What do hornfel and skarn have in common? How do they differ?

Q: 1). A radioactive substance has a half-life of 5 million years. What is the age of a rock in which 2...

A: Stratigraphy is the science of knowledge which studies the variations in the successively layered ro...

Q: What is the temperature of a star whose maximum light is emitted at a wavelength of 290nm

A: The temperature of a star can be calculated using the formula, T =2897000λmax kelvin where, T=Temper...

Q: This meteorite contains large crystals of olivine held in iron-rich metal. Many astronomers believe ...

A: The earth internal structure is broadly classed into three as crust mantle and core based on the sei...

Q: Illustrate and explain the hydrologic cycle through a schematic diagram including all the stages and...

A: Water is vital for the majority of the landforms on the earth. It is an important and essential natu...

Q: What is the importance of seafloor spreading to the theory of plate tectonics? A)where new crust is ...

A: The plates lie on the ductile asthenosphere, which is semi-solid, hence can move slowly due to the i...

Q: Explain this sentence "EARTHQUAKES ARE DESTRUCTIVE TO HUMAN LIVES" in 5 sentence

A: A disaster is any incident that causes harm to people and their environment. It can be either natura...

Q: 14. Volcanic eruption is a process by which molten rocks or magma is release driven by what factor? ...

A: Note: We’ll answer the first question since the exact one wasn’t specified. Please submit a new ques...

Q: - What effect does friction have on the wind direction for surface winds in the vicinity of a high p...

A: Friction is generally caused by the earth surface, which reduces the wind speed. The friction can al...

Q: Reasons why students cannot practice and maintain proper disposal of solid waste management, specifi...

A: Reasons why students cannot practice and maintain proper disposal of solid waste management, specifi...

Q: Agriculture aquifers because can contribute to depletion of

A: Water is a vital element on the earth and the life mon the earth depends on it. One of the reservoir...

Q: How does weathering affect a landscape?

A: The term geomorphology was first used by Lauman in the year 1858 to study various landforms, their f...

Q: What does it mean by the earth’s closed system?

A: The earth is third planet from the sun and is neither hot nor too cold and has suitable environment ...

Q: List 10 minerals and their common uses. Identify the specific property/ property that makes rhe mine...

A: The mineral can be explained as a compound which is inorganic, homogeneous, with atomic structure an...

Q: List and describe two demand-side policies that could be instituted to encourage more sustainable fo...

A: List and describe two demand-side policies that could be instituted to encourage more sustainable fo...

Q: Select the correct answer from each drop-down menu. The of Earth's orbit is among the planet's uniqu...

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

Q: In column 1, write the type of plate boundary, in column 2 describe the relative plate motion, and i...

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

Q: What will happen where two continental plates collide at a convergent boundary? A)one plate is subdu...

A: The lithosphere is the outermost layer of Earth, which is consists of the crust and the upper layer ...

Q: Explain how the title of this article "Plug devised to clean up toxic mine Technology to stop enviro...

A: Explain how the title of this article "Plug devised to clean up toxic mine Technology to stop enviro...

Q: QUESTION 3 Refer to the geological map above 3.1 You are given a distance of 120 mm on the map, co...

A: Here the geologic map consists of 3 distinct formations, sandstone, siltstone and mudstone. the form...

Q: State TWO (2) ways how human could influence the phosphorus cycle. need asap

A: State TWO (2) ways how human could influence the phosphorus cycle.

Q: Why transpiration is good for crops?

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

Q: Creat a concept map summarizing the lesson about typhoons.

A: The region lying between the Tropic of Cancer and the tropic of Capricorn is the tropical region. Th...

Q: Define the term: mass extinction.

A: The elimination of 'taxon'. This may take place in several ways. In the simplest case the taxon disa...

Q: Mineral Name Hardness Lustre Specific Gravity Colour Streak Tenacity Authigenic/Allogenic Qu...

A: Mineral Name Hardness Lustre Specific Gravity Colour Streak Tenacity Authigenic/Alloge...

Q: The following equation illustrates the reaction between nitrous oxide and water.    3NO2 + H20 ⇌ 2...

A: In the earth atmosphere, more than 75% is comprised of nitrogen. The conversion of nitrogen into dif...

Q: 1. Describe how the sedimentary rock, sandstone (left) metamorphic rock, and quartzite (right) diffe...

A: Rocks can be defined as an aggregate of one or more minerals. There are three different types of roc...

Q: Which BEST explains plate movement? * O Gravitational pull of the moon O Convection current in the m...

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question s...

Q: Explain what is aquatic ecosystem.

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

Q: A. As the organisms die, their remains begin to sink to the bottom of the sea where they are preserv...

A: Environment is derived from French word 'environir' which means to surround, as it is an inseparable...

Q: How can you connect the mono casual theory and conflict paradigm to climate change war

A: How can you connect the mono casual theory and conflict paradigm to climate change war

Q: What part of a tropical cyclone has the strongest pressure gradient? How can we know this without me...

A: Tropical cyclones are powerful, rotating wind system with low-pressure centre which generates over t...

Q: What happens to the surface of the ocean when oceanic plate moves towards another oceanic plate? * O...

A: The molten material found beneath the earth surface is termed magma. The mobile plate is the plate t...

Q: In your own words, discuss Urie Bronfenbrenner’s Ecological Systems theory. (You can  review/re-read...

A: Bronfenbrenner's Ecological system theory states that the complexity of child development by multipl...

Q: Explain how observations of tropical cyclone genesis regions prove that having warm sea surface temp...

A:  Explain how observations of tropical cyclone genesis regions prove that having warm sea surface tem...

Q: In Chingola town, Government has just acquired a new strategic investor resuscitate the operations o...

A: When the production from a company causes losses to third parties, as in this case, the externality ...

Q: 3. Are there any disadvantages you think might arise from using technology to alleviate food insecur...

A: Food securityis the proportion of the accessibility offoodand individuals'ability to get to it. As i...

Q: List and describe three plants and animals that existed during the time of the Cambrian period,  inc...

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question s...

Q: Plates A, B and C are at a triple junction of three oceanic plates. Based on the white relative moti...

A: The mobile plate is the plate that divides the earth lithosphere. The plates are floating above the ...

Q: Describe how the melting of polar ice caps particularly in the arctic can lead to the freezing of ma...

A: Meteorology is defined as the study of earth's atmosphere and the variation in the temperature along...

Q: What is sun

A: Cosmology is primarily made of two words cosmos (universe) and Logos(study) so, cosmology can be def...

Q: Greenhouse effect The greenhouse effect is the process in which heat is trapped by greenhouse gases....

A: The hothouse effect is a natural medium that causes the exterior of the Earth to warm. Some of the S...

Q: (Q1.3) Lift a Saturated Parcel 1a - At the 100 kPa height, the temperature (Ta) is 10°C and the dew ...

A: At the 100 kPa height, the temperature (Ta) is 10°C and the dew point (T) is 10°C. Note that when th...

Q: 2. Using the geodesic equations, verify that cosh² u- do = C, XP where C is an integration constant....

A: where C is an integration constant. Is C=0 allowed for a nontrivial null geodesic trajectory?

Q: Jupiter's moon lo orbits the planet at a distance of 421,700 km. What is the correct way to write th...

A: The formation of the universe can be dated back to around 13.6 billion years. It comprises of everyt...

Q: 25. Which waves arrive 2nd at the Epicenter, move the slowest and do the most damage? * Ground is sh...

A: Earthquake is shaking of the surface. They are caused by the sudden release of energy in the Earth's...

Q: During glacial periods oceans recede exposing land previously covered by water. Group of answer choi...

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

Q: Sample 2 Note: there are two minerals in the red phase. i. Give the forms of the brassy mineral that...

A: We are authorized to answer three subparts at a time since you have not mentioned which part you are...

Q: Below are five locations and weather data: Which locations have reached their dewpoint temperature?...

A: The location and its dewpoint temperature are given for five places. Dew points are the temperature ...

Q: East coast lows * case study- Where possible on our local environment (city of Sydney). Outline the ...

A: East Coast Lows (ECL) are the extreme low pressure systems. ECLs occur at the east coast of Australi...

Q: Any famous geologic landform that was created by 1.Convergent oceanic - continental plate boundary m...

A: The lithosphere of the Earth is composed of broken fragments called tectonic plates. The tectonic pl...