जंतुओं की संरचना, प्रकृति और पारिस्थितिक वितरण के वैज्ञानिक अध्ययन को ________ कहा जाता है।

The study of different aspects of ageing is known as:

Which of the following is the branch of study dealing with aging and old age?

The scientific study or discipline concerned with restoring or increasing the habitability of Earth (or planetary engineering) is known as Euthenics or Terranology. Which option correctly identifies the study of increasing Earth's habitability?