The statement that an igneous intrusion is always younger than the layers it has intruded between or across is known as - the principle of inclusions the principle of superposition the principle of cross-cutting the principle of horizontality This rock dissolves easily (chemical weathering) by slightly acidic rainwater: * coal feldspar limestone shale

Q: The following is a map of the continental United States. Four areas are labe A, B, C, and D. C B D W...

A: Hurricanes are one of the powerful natural disasters that occur on the earth.   In U.S, hurricanes d...

Q: Choose the correct answer 1- Plate tectonic deal with a- Generation b- Motion C- Other 2- Strain is ...

A: The outer layer of the Earth is broken into multiple big pieces called plates. The interaction of th...

Q: Using a world map, identify and locate at least 5 places where the six stages of the Wilson Cycle oc...

A: J.Tuzo Wilson (1908-1993) was a Canadian geophysicist who gave the cycle known as the Wilson cycle. ...

Q: How do humans cause salinization in dry climates?

A: Salinization is the process of accumulation of soluble salts in soil layers. This can be both natura...

Q: • Does ocean pH in the Gulf of Maine follow the same seasonal pattern as coastal Washington?

A: The oceans occupy around 71% of the earth’s surface, and it is the only reason why our planet is kno...

Q: If the fault below is an oblique-slip fault, in which directions did the back block get displaced be...

A: Faults are planes or zones along which there is a displacement of movement of the adjacent blocks. T...

Q: what is the role and importance of taxonomy and systematics in geology

A: taxonomy is a science of naming classification of organism which include plant and organism includin...

Q: A region underlain by limestone has a distinctive topography know as karst. This topography is chara...

A: Topography essentially refers to the shape of the Earth's surface, its physical features and the lan...

Q: When sediment forms... the rock is heated until it is 700°C to 1300°C. = part or all of the rock mel...

A: Sediments are naturally occurring material which are broken pieces of pre-existing rock which may be...

Q: Indicate the differences between color and streak, using magnetite, hematite and limonite as example...

A: Minerals can be identified using their physical properties like hardness, luster, color, specific gr...

Q: What would be the effect on the annual march of the seasons if Earth’s axis was not inclined relativ...

A: The Earth has an elliptical course around our sun. The Earth is at its highest point facing the Sun ...

Q: How does changes in carbon dioxide level affect the pH of sea water?

A: The pH scale depends on concentration of hydrogen ions inversely. It means if concentration of hydro...

Q: In the midlatitudes of the Northern Hemisphere, on which day of the year is the Sun highest in the s...

A: Due to the Earth's revolution and rotation periods, various seasonal patterns are experienced throug...

Q: How does a lower pH affect living organisms in freshwater or marine ecosystems?

A: The pH of seawater has remained stable for millions of years. Before starting the industrial era, th...

Q: What factors explain global patterns of temperature?

A: Temperature is the condition that determines the flow of heat energy from one substance to another, ...

Q: 10- parallel isogonns are a- Parallel to the axial surface b- Convergent c- Other

A: Folds are geological structures formed in the rocks due to stress, causing deformations in the rocks...

Q: Why the mantle lies closer to earth's surface beneath the ocean than it does beneath continents ?

A: The Earth is differentiated into multiple layers. The primarily differentiated layers are Crust, Man...

Q: Virgin Galactic and Blue Origin are both hoping to be the first private company to   a launch ...

A: SpaceX has announced the launch of civilian orbits to the International space station.  SpaceX is th...

Q: Earth Science Question

A: When source is meteoritic matter from meteors (from comets), mass accretion rate per 106 kg yr-1= 16...

Q: what can changes to the atmosphere cause and how?

A: When the energy coming from the Sun is absorbed by the earth system, the Earth warms. When the Sun's...

Q: Why is human population control an important part of global sustainability? What is food insecurity?...

A: Let us first discuss about what is global sustainability? Global sustainability: Is defined as the ...

Q: Which of the following have negatively affected drinking water the most? pollution and deforestatio...

A: All the above four conditions will lead to a negative effect on the drinking water.  Pollution is an...

Q: What happens when the waves approach the coast?

A: Waves are created by wind actions. The height of the wave depends on three factors: greater the wind...

Q: . You are a defense attorney arguing in court for sparing a tropical rain forest from being cut down...

A: Rainforest are forest characterise by high and continuous rainfall tropical rainforest occur in the ...

Q: How can research adress the issue on climate change as experienced not only in the Philippines but i...

A: Due to Anthropogenic activities, the present generation is moving ahead towards upcoming mass extinc...

Q: Over geological time periods, the Earth's climate has been 1. constant and unchanging 2. grad...

A: The Geological time period refers to the time scale of the evolution of the earth.It Initiated with ...

Q: Which climate region is located along the west costal areas in the upper middle latitudes? Weather c...

A: In Koppen's climate classification, the moist sub-tropical mid-latitude climate is categorized under...

Q: While on a field excursion you encounter a tabular pegmatite oriented 342°, 71° NE with an ore shoot...

A: The given problem can be solved using a stereographical projection of the available field data on a ...

Q: How is the use of artificial reefs in rebuilding coral reefs around Maryland and Virginia.

A: Artificial reefs are structures made of synthetic material that mimic natural reefs. These are of va...

Q: 11- Recumbent fold have axial surface a-horizontal b-plung c-Other

A: Folds are defined as the undulations in stratified rocks present on the earth's crust. These are usu...

Q: Compute the evaporation rate from a lake for June if the average water temperature is 80°F, measured...

A: Given, average water temperature 80°F =(80°F-32)×59+273.15=299.82K average air temperature = 74°F =(...

Q: The Earth has more rotational kinetic energy now than did the cloud of gas and dust from which it fo...

A: rotational kinetic energy is a type of kinetic energy produced to a circular motion or rotation of a...

Q: How is ozone formed and why is it important in the atmosphere?

A: The atmosphere is a mechanical mixture of many gases. Ozone is a form of oxygen-containing three ato...

Q: List four useful minerals, and describe their composition and how they are used.

A: 1. Olivine Olivine is the group of minerals found in igneous rocks. Composition- Olivine is a name o...

Q: What landforms are created by the friction tectonic plates pushing up against one another?

A: Plate tectonics deals with the movement of tectonic plates located in the Earth’s lithosphere layer....

Q: Many factors affect soil acidity, but probably the most important factor of all is                 ....

A: Soil acidity is becoming a problem in many parts of the globe.Soil pH has mostly values between 3.5 ...

Q: State the latitude (in degrees) for the following “special” parallels: equator, North Pole, South Po...

A: A circle of latitude or latitude lines on the Earth connects all the Earth locations at a given lati...

Q: Exercise 4: An iceberg floating in seawater, as shown in Figure, is extremely dangerous because much...

A: An Iceberg is a large piece of freshwater ice that broke off from glaciers and moves freely in seawa...

Q: What is the typical available solar power at solar noon under overcast condition? a. 100 W/m2 . b. 1...

A: Let us first discuss about the terminology use in the question that are Solar Power and Solar noon. ...

Q: Some analysts argue that in order to continue using oil at the current rate, we must discover and ad...

A: Oil is a kind of nature non-renewable resource which has limited source in nature and the same canno...

Q: 1. What is geology?

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

Q: which of the following describes a stream of water that flows through the ocean like a river A. Cur...

A: Our earth is covered by 71% of the water that is why it is known as a blue planet. The oceans consis...

Q: Using information in the image and the graph find the distance of STN 2 from the epicenter of the ea...

A: From the information given, at station 2, the arrival of P waves occur 2 minutes after the earthquak...

Q: B. Direction: Complete the table below. Use the details inside the box. Uplift Narro

A: The table describes the theory of the Wilson cycle. This theory describes the evolution of tectonic ...

Q: In summer, the polar ice caps of Mars are made primarily of   a. water ice and methane ice ...

A: 1) Mars has frozen polar caps made of carbon dioxide ice and water ice. During winter, carbon dioxid...

Q: What is the importance of soil? Discuss nature and composition of soil?

A: Any solid substance that situated on the upper part of the bedrock is termed regolith. A part of reg...

Q: when magma forms what happens first wether (storms) move wind and water or energy from the sun heats...

A: magma is hot semi solid to liquid material consting of minerals gases liquids and other volatile. th...

Q: State the principle of actualism and try to understand “the present is the key to the past”.

A: The actualism consists of a view that everything at present exists and is in this sense is actual. T...

Q: Q.5 If the total ocean bottom depth is 5,000 ft and the first layer depth is 12,000 ft and the secon...

A: depth of ocean= 5000 ft= 5000 x 0.3048 m=1524 m hydrostatic pressure=Pw=ρwghw where  ρw= density of ...

Q: What is the biggest star?

A: A star is a large astronomical object with a self-luminous this radiate with energy that is formed w...