Please help is a model for the measurement of the time available for finding solutions to the depletion of nonrenewable resources, the known reserves, and the human rate of consumption.
A)
Resource Conservation and Recovery Act (RCRA)
B)
R to C ratio
C)
Sustainable development
D)
Materials management
E)
Comprehensive Environmental Response, Compensations, and Liability Act (CERCLA)

B.) R to C ratio

Explanation:

Because the reserves-to-production ratio (RPR or R/P) is the remaining amount of a non-renewable resource, expressed in time. While applicable to all natural resources, the RPR is most commonly applied to fossil fuels, particularly petroleum and natural gas.

the right answer is a. skin cells forming from sunlight.

the liver is an organ endowed with a fantastic ability to regenerate

. thus, if a hepatectomy (ablation) of 70% of the hepatic mass is performed in the rat, there is complete recovery in 7 to 10 days.

prokaryotes are beings that have existed since the existence of life on earth, and do not come from another realm.

ribosomes are organelles that exist naturally in eukaryotes, either in free form or attached to the endoplasmic reticulum.

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b) the inside picture would look at a very high temperature in a very low ph