Answer:
It was the ancient Greeks who first developed the passive solar concepts that the Romans adopted, but the Romans used their engineering and design skills to improve the technique. Passive-solar buildings are built based on the orientation of the sun's path and use the sun's rays to heat the interiors.
Answer:
yes , I believe it is true
I would say the people of central America would be descendants from native groups, such as the Aztecs, Mayans, etc., as well as the Spaniards.
Answer:
Indigenous groups and Spanish