Which method of human societal development is sustainable? A. Harvesting resources faster than they can be replaced B. Obtaining resources from outside the local area C. Protecting local resources from overuse and degradation D. Functioning at the expense of local ecosystems​

However, it actually refers to four distinct areas: human, social, economic and environmental – known as the four pillars of sustainability. Human sustainability aims to maintain and improve the human capital in society.

Explanation:

label a cell membrane

label b cytoplasm

label c ribosomes

label d dna

the membrane forms the outside of the cell

cytoplasm is the liquid within

ribosomes are the components within that distribute rna

the dna is the genetic make-up