The last "hot house" or period of increased temperature occurred during the time of dinosaurs. The temperature in today's world is rising slowly but it is still miles away from the temperature that dinosaurs had to face during "hot house". I hope that the answer comes to your help.
Answer:
Chlorofluorocarbons from the air conditioners !
Explanation:
True; with improvements in technology/manufacturing, acid rain became a major problem
Instead, they packed the earth, which is rich in clay, into thick walls that provided insulation from the hot summers and cold winters.
Explanation:
hope that helped :)
