The definition of a sustainable environment is an <span>environment that can simultaneously meet the needs of the ones living in the environment without damaging it. Therefore, B would be incorrect because there is no concern for the environment's safety. C would also not make sense because it implies that there will be damage to the environment. D also does not make sense because there is nothing concerning the equilibrium between those who exist in the environment and the environment. Therefore A should be your best answer by choice.</span>
Answer:
Grandpa believes that it is time to begin preparing for his death.
Explanation:
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