E sounds the most reasonable answer
I believe the best and correct answer from the choices listed above is option C. Despite evidence of mineral resources on the continent, there is no mining in Antarctica because there is an international treaty that prohibits such activity. Hope this answers the question.
Answer:
Question 3: True
Question 4: False
Question 5: option a
Explanation:
Question 3:
In the Bowen's Reaction arrangement, the persistent arrangement portrays and clarifies the development of the plagioclase feldspars as they advance from being calcium-rich to incfeasingly sodium-rich with consistently falling temperature conditions.
Then again, the discontinuous arrangement depicts the development of the mafic minerals, for example: pyroxene, olivine, biotite mica and amphibole each at an unmistakable temperature.
Question 4: False
Fractionation and crystal settling are a piece of partial crystallization and they are internal procedures.
Question 5: option a
Viscosity of a given magma increments with expanding silica content, diminishing temperature and diminishing volatile substance.
Answer:
The darkest time of year at the North Pole is the Winter Solstice, approximately December 21. There has been no sunlight or even twilight since early October. The darkness lasts until the beginning of dawn in early March.
