What is meant by the “hole” in the ozone layer, and what role have chlorofluorocarbons (CFCs) played in this?

Q: What are two types of seisimic waves caused by an earthquakes energy

A: SEISMIC WAVES: A seismic waves are an elastic wave which is generated by an earthquake, explosion an...

Q: Which process is a type of biophysical weathering? frost wedging oxidation salt wedging root...

A: BIOPHYSICAL WEATHERING: Biophysical weathering or Biological weathering caused by biological element...

Q: 1. Why is the Earth considered to be a ‘dynamic’ planet?   2. What makes the lithospheric plates mov...

A: The Dynamic Planet Earth Change is the only constant in the history of our world, perhaps. The natu...

Q: Question 1 Igneous rocks form from: crystallization - cooling of magma compaction - cementation of s...

A: CLASTIC SEDIMENTARY ROCKS: The adjective 'clastic is derived from Greek word 'klastos, meaning 'brok...

Q: 20.) What are fjords? a. deep, narrow bays found in Norway b. land reclaimed from the seabed c. gian...

A: A fjord is a large, narrow, and long inlet that is created by the impact of glaciers. It has steep s...

Q: What happens to material on a hillslope when friction exceeds the downslope force? The material mo...

A: LANDSLIDE: A Landslide is the movement of soil, rock, or other earth materials, downhill in response...

Q: In which of the following climates is chemical weathering usually the most intense? warm and dry ...

A: Weathering is the process by which the rocks are broken down on the surface of the earth into small ...

Q: Why is there greater changes in snow cover over the past century in Eurasia than in North America? W...

A: Seasonal snow is a significant component of the Earth's climate system. Snow cover tends to maintain...

Q: When can a total solar eclipse occur: (Give ALL correct answers, i.e., B, AC, BCD...) A) only in spr...

A: A solar eclipse occurs when the sun, moon, and earth are in a straight path, and the rays of the sun...

Q: The majority of earthquakes in the world occur under seamounts. far away from plate boundaries. ...

A: Earthquake is a phenomenon of shaking of the earth surface, it is generally associated with the volc...

Q: What could be the diffusion pattern or spatial diffusion of the COVID19 in the Philippine setting?

A: Understanding the propagation of the COVID-19 pandemic is actually one of the best-studied phenomena...

Q: Most states have a zero tolerance law for minors under the influence of alcohol or in possession of ...

A: Zero Tolerance regarding Alchohol Consumption Zero tolerance is the concept of implementing laws or...

Q: Question 1 Igneous rocks form from: crystallization - cooling of magma compaction - cementation of s...

A: ROCKS: The most significant part of the outer crust of the earth is 'Lithosphere'. The literal meani...

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: The tropics or countries at the equator receive the full amount of sunlight and energy available. Ho...

A: The tropics are places that lie in 23 degrees north and south of the equator. They are known to be t...

Q: According to data from the UN Food and Agriculture Organization, from 2010 to 2015 the amount of lan...

A: The FAO represents the world food and agriculture organization formed by the U.N which acts as a spe...

Q: List five main natural and five main anthropogenic sources of air pollution. List five examples of p...

A:  Air Pollution The lower portion of the atmosphere is known as 'air' which contains primarily nitrog...

Q: Magnetic lineations on the ocean floor:     match the pattern of magnetic-reversal history f...

A: Magnetic lineation was discovered by Mars Global Surveyor, it lies on a plane of foliation which is ...

Q: Natural Gas Resources in Ireland: Their Mining History, Location of Major Deposits, Consumption Stat...

A: The Mining History of Natural Gas in Ireland The Corrib Gas Field was discovered in 1996 but was no...

Q: Plate Tectonics What are Convection Currents and why are they important to the movement of earth’s c...

A: CONVECTION CURRENTS: Convection currents are the movement in the interior of the earth in the form o...

Q: Lets go a little further north in the Patagonian Andes.  In Google Earth Pro, navigate here: -46.859...

A: The Northern Patagonian glacial Field is a remnant of the Patagonian Ice Cap, an extensive ice sheet...

Q: 1 Which map covers the greatest area on the ground: 1:12,000 or 1:24,000? Explain your reasoning 2 D...

A: The RF scale is basically the units of land on the map. If there is a length of 1 km on the land and...

Q: What significant change in glaciation occurred around 13 million years ago?     Antarctic gla...

A: The last glacial period was at the end of 115,000-11,700 years ago. This was a part of a larger sequ...

Q: Researchers that study climate change exclusively study current climate changes (20th century for...

A: Climate researchers use both possible direct and indirect measurements to analyze the entire history...

Q: Question 7 Tell whether the following scenario represents Physical, Chemical or Biological weatherin...

A: Weathering is a mechanism that turns solid rock into the sediment. Sediments have been mentioned in ...

Q: A homeowner in Prince George’s County Maryland finds that during summer there is enough power from t...

A: During the summer season in the northern hemisphere, the tilt of the earth is more closer to the sun...