Contributions to mathematics *developed alergbra
*Extended knowlage of trigonometry
* spread the concept of zero to Europe

read the list above and answer the question. Which region is credited with these mathmatic contributions?
A. Western Europe
B. East Asia
C. North America
D. middle east ​

i think the answer is the one about environmental and social health.

hope this

he risk-return relationship. generally, the higher the potential return of an investment, the higher the risk. there is no guarantee that you will actually get a higher return by accepting more risk. diversification enables you to reduce the risk of your portfolio without sacrificing potential returns.

explanation: