Most of the carbon at or near Earth’s surface is not involved in any short-term cycling. Explain.

Q: What is the explanation for the thinning of the ozone layer that has been observed since the 1970s?

A: The ozone depletion or ozone disappearance consists of events that were observed in the late 1970s. ...

Q: Question:  Examine briefly one theoretical model whichattempts to explain the development of land us...

A: In 1925, Burgess introduced a descriptive model of urban land use that separated neighborhoods into ...

Q: Briefly describe the six possible soil horizons: • 0 horizon • A horizon • E horizon • B horizon • C...

A: SOIL HORIZON: Soil horizon refers to the vertical variation ordered layering with depth, each layer ...

Q: Describe and explain the pattern of wind flow in the Northern Hemisphere around: • a surface high • ...

A: Winds Around Anticyclones pass around the middle of the northeasterly area Winds run in the clockwis...

Q: Continental arcs are always associated with plate subduction. plate transform movement. plate ...

A: A continental arc is a kind of volcanic arc arising on the continental margins as an "arc-shape" top...

Q: What is meant by the term precipitation variability?

A: PRECIPITATION: Microscopic droplets join together and grow in size when they become heavy and clouds...

Q: The primary result of the greenhouse effect on Earth is to   a. retain heat, keeping the Earth...

A: GREENHOUSE GASES: A greenhouse is meant for plants in cold countries where total insolation during w...

Q: Why is it impossible for a map of the world to portray Earth as accurately as can be done with a glo...

A: The representation of Earth in the form of drawing in two dimensional pattern is a map. Only selecte...

Q: Explain the general differences in silica content and style of volcanic eruption (i.e., quiet lava f...

A: Lava flows produce considerable damage to property. The rapidity of a lava flow and its distance cov...

Q: What is a great circle? A small circle? Provide examples of both.

A: GREAT CIRCLE: A Great circle is a section of sphere and the plane of the section passes through the ...

Q: The table below shows barometric pressure Péadings. Barometric Pressure Reading 1010 mb Day Monday T...

A: Barometric  Pressure: Atmospheric Pressure, also known as Barometric pressure, this pressure is exer...

Q: What is the difference between a radiational inversion and an advectional inversion?

A: Inversion is a reversal in the normal behavior of temperature in the troposphere. As the sun sets th...

Q: Briefly describe the differences among the P waves, S waves, and surface waves of an earthquake.

A: The shock waves produce vibrations within the interior of the world that displaces along a fault lea...

Q: What are the main effects of global warming in the Brazilian Amazon?

A: Global warming is a major threat to the world as a whole and Brazil, including the Amazon, is one of...

Q: In what ways do hot spots not fit in with the basic theory of plate tectonics and plate boundaries?

A: Hotspots are formed by the mantle plumes that rise form the mantle, example includes Hawaii, Yellows...

Q: A __________ is defined as a group of people who share a cultural identity.     state     ...

A: An ethnic group is a group of people who have similar ancestry, history, or language; in the United ...

Q: Consider differential heating of the land and sea. For the same amount of solar radiation received o...

A: When consideration the differential heating and cooling aspect of the land and the ocean waters. The...

Q: What would be the classifications of the air masses that form over Siberia?   a. Maritime arctic b. ...

A: There are generally four types of air masses such as tropical, arctic, and polar along with the equa...

Q: African and Arabian Plate boundary: a. continental- Continental convergent b. Oceanic- Oceanic conve...

A: Africa's modern tectonic history coincides with the collapse of Gondwana ~ 200 Mya. It was then that...

Q: Agriculture plays a crucial role in creating employment opportunities justify the statement with log...

A: Agriculture is a practice of growing crops and raising livestock. It provides food, fabrics and othe...

Q: What is Lithosphere?

A: LITHOSPHERE: The Lithosphere is the upper most or outer most layer of the earth. It is made up of d...

Q: How magma is formed?

A: The magma is a molten or semi-molten material and is naturally formed inside the earth which leads t...

Q: Why doesn’t subduction take place in a continental plate collision zone?

A: Subduction is the process of a collision between the two tectonic plates which are of the heavier an...

Q: Discuss the characteristic weather associated with the ITCZ and the characteristic weather associate...

A: The Intertropical convergence zone is known as doldrums are winds of calm which is due to the motion...

Q: How does ice retain a record of past atmospheric gas composition?       in trapped air bubbl...

A: Ice sheets have a special property. They allow us to go back in time and take another time to sample...

Q: What is not a characteristic of southern Mesopotamia geography

A: It is assumed that the Sumerian civilization first took shape in southern Mesopotamia approximately ...

Q: What evidence is there for an asteroid impact 65 Myr ago?     sediments containing grains of...

A: It is generally accepted that such an object – 10 kilometers long – struck just off the coast of the...