The approximate population of china is ___. A. 1.3 BILLION

B. 1 BILLION

C. 2.3 BILLION

D. 800 MILLION

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.

¿qué parte de la patagonia está en peligro de exinción por su sobrepesca?

Which phrases describe oxygen's roles in earth’s atmosphere? check all that apply. allows fuels to burn forms clouds that produce rain is the gas that animals breathe is used by plants to produce food forms ozone that absorbs the sun's harmful rays