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.
Indeed- Riddles help develop crucial critical thinking skills and works the mind to think of answers beyond the ordinary and simple! =)
Hope I helped! ^-^
The answer is D
The fertile earth, the straight tree rows, the sturdy trunks, and the ripe fruit. And children dying of pellagra must die because a profit cannot be taken from an orange.