Zeus sends two eagles soaring through the air as omens of death. but i am just guessing
Lessing's childhood involved going out into nature and enjoying it as best as she could until her mother would tell her to stop and be a proper woman. Lessing lived after World War I from which his father suffered injuries that prevented him from walking again.
Solar absorbers are better for the enviroment, therefore they're better in the long run. We will eventually run out of oil and coal, as they are fossil fuels. But the sun won't stop shining for millions of years.
Answer: The turnover rate.