stars that are not very hot but give off a lot of light are

a. nebula
b. main sequence stars
c. giants
d. dwarfs

Based on this map, which statement about africa’s economic activity is most accurate? a) coastal countries are all members of opec b) economic development is more common with opec nations c) coastal countries have more access to productive resources d) economic development is more common above the sahara desert

The primary agent of contact metamorphism is

People keep spending additional units of a particular resource on a want until their marginal benefit is  decreasing withgreater thanless thannot affected by  their marginal cost.