Answer:
c. they form adjacent to an intruding pluton, which provides heat for metamorphism.
Explanation:
- In metamorphic rocks, the contact metamorphism produces the aureoles in the surrounding zones of the rocks that get altered.
- There varies in the thickness from the from centimeters to several kilometers like the large granitic intrusions and they typically consist of non foliated rocks formed due to the heat sources and intruding plutons.
Answer:
At the equator, the sun is directly overhead at noon on these two equinoxes. The "nearly" equal hours of day and night is due to refraction of sunlight or a bending of the light's rays that causes the sun to appear above the horizon when the actual position of the sun is below the horizon.
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Geography can be understood in five different themes. They are:
• Location
• Place
• Human-Environment Interaction (HEI)
• Movement
• Region
Answer:
The axis to tilt in a different direction every 26,000 years
The second assumption is that there is something exceptional about Africa, that while other continents and peoples have got or are getting richer, Africans, for reasons we can think but no longer speak in polite company, choose to remain in poverty. Our capacity to see Africa as divergent lets us off the hook so we don’t have to understand our own complicity in the challenges various African countries face today. It also means we rarely rage as we should against the actions of the corporations and governments that profit from instability, corruption or even inexperience (African negotiators at the climate talks have historically been disadvantaged by their lack of experience and the expectation among western negotiators that they should be grateful with whatever they get).
If there is, then, no innate propensity for corruption, violence or poverty in Africa, then the narratives that fuel the stereotypes need questioning. One possible explanation comes from the Nigerian author Chinua Achebe, who said: “The west seems to suffer deep anxieties about the precariousness of its civilisation and to have a need for constant reassurance by comparison with Africa.” Perhaps it’s not Africa that needs saving, but us.
