Explain the following statement. '' Without the outer core, life on Earth would be very difficult ''.

Q: A plane leaves Washington, D.C. at 1:23 A.M. It flies for 4 hours 28 minutes and lands in San Diego....

A: When time zones vary, the two regions will have contrasting time and date schedules which differ by ...

Q: .  People in countries like Laos deal with the issue of __________________, mainly because those peo...

A: Most developing nations suffer from different forms of internal and external migration challenges be...

Q: Water is abundant in sedimentary rock and oceanic crust of subducting plates. How would that water a...

A: The subduction process descends into the mantle from a slab of cold, hydrated oceanic lithosphere ab...

Q: List the factors that can lead to a major buildup of atmospheric pollution. (in short)

A: The air pollution intensification or buildup is driven by many natural and social factors.

Q: Why is it that polluted air and inversions seem to go hand in hand?

A: The term inversion in simple terms mean reversal of any order or position or in any form. In Meteoro...

Q: Wegener proposed the idea of ______ to explain why continents seem to fit together to a jigsaw puzzl...

A: Alfred Wegener was a German polar-researcher who gave the hypothesis of continental-drift in 1912 an...

Q: What is the general shape of Serpent Mound Impact Structure?

A: The extraterrestrial attacks on Earth, in the form of meteorite impacts, have created numerous uniqu...

Q: What was the population of Louisiana in 2010? What is the population today? By how much has the po...

A: A US state with a French cultural heritage, its geographical location and climate made it vulnerable...

Q: Many scientific studies rely on models for experiments that cannot be done on real systems, such as ...

A: Models may be mathematical, physical (crash test dummies), or living (lab rats). The drawback to mod...

Q: 6. When the _______________________ is higher than supply of food, that creates an issue of scarcity...

A: There must be a balance between production and consumption in any society, and imbalance in this bal...

Q: Direction: Concept map is a visual representation that shows relationships between concepts. Arrange...

A: The above-given elements are environment, ecosystem, hazard, risk, physical, tangible etc. A concept...

Q: What bodies of water would the Vikings use in reaching Constantinople?

A: Constantinople was one of the most valued cities in the world, that was attacked by many nordic and ...

Q: What is a pro and con of Commercial/Subsistence Agriculture?  Who do you side with, Commercial or Su...

A: Commercial agriculture: It is the method in which the crops are grown on a large scale with the help...

Q: Where in China are coal, iron ore and oil all found close to one another.

A: Hundreds of remote, locally operated mines were built across China at the incentive of the governmen...

Q: Why does magma migrate upwards through the crust?

A: Magma is an unconsolidated , semisolid extremely hot and viscous earth material which is produced by...

Q: MCQ: Which option is correctSeveral scientific articles highlight the importance of geography for de...

A: The understanding of the world is essentially based on the knowledge and integration of different di...

Q: Which is the correct answer

A: Investment in transportation would actually lower the cost of transporting people and goods which in...