there are more than 200 countries in the world
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.
By how the distance of the sun is and pollution there is because pollution make earth hotter and on save to breath
In order for the Earth to get larger, more mass would have to be added. Since no new mass is added in the process, It's size doesn't increase.
