They get the idea from nature and then the make engineered systems.That is how they are similar.
The answer is true because a concave lens is also called a diverging lens.
A liquid-to-liquid heat exchanger uses a heat-transfer fluid that circulates through the solar collector, absorbs heat, and then flows through a heat exchanger to transfer its heat to water in a storage tank. Heat-transfer fluids, such as antifreeze, protect the solar collector from freezing in cold weather.
Answer:
one-point perspective?
Explanation:
i think this is correct, tell me if it's not