Oxfam america, doctors without borders, and the red cross are examples of a. irbds b. idas c. ngos d. imfs

C. NGOs
NGO stands for a non-government organization. 
They are usually set up by people and may be funded by organizations, the government, or fundraising societies.

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If a particular resource is not useful or needed then the price would be considerably low. once that resource is needed the price or value will raise depending on how useful or needed it is especially if the resource is low in quantity, the consumers would pay whatever they have to, to get that material.