What does it mean to sustain something? a. to rotate around it b. to destroy it c. to divide it into parts d. to preserve it or care for it

The correct answer is D to preserve it or care for it. Hope this helps:)

If you are sustaining something, you are preserving or taking care of it. For example, in some cases, an injury might be sustained for some people if it's severe.

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Ashould be answer.