There are many factors that encourage migration, among them are wealth,
education, religion, access to better job opportunities and better
healthcare and personal reasons (family).
Therefore the one factor that does not influence migration is listed in option c:
c. Healthcare and education are not pull factors that encourage migration.
In 1990 rice production= 350 million tons
In 1999 rice production = 400 million tons
400-350= 50 million ton increase
50/350=.1428 To calculate the percentage increase you divide the total amount increased by the initial amount to determine the percent.
Therefore the world rice production increased by approximately 14% from 1990 to 1999.
I think the correct answer you are looking for would be D. Farming
3.Sea level
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Answer:
B
Explanation:
Oceanic crust is the Earth's lithosphere's outermost layer located under the oceans and formed on the oceanic ridges at spreading centers that occur at divergent plate boundaries (ridge axis).
It is covered by a thin blanket of sediment that thickens away from the ridge axis.
Oceanic crust is different from the continental crust in numerous ways. For instance; It is younger, thinner, and denser than continental crust. Furthermore, It also has a different chemical composition.
