The more Carbon Dioxide in the air, the more it increases the GREENHOUSE EFFECT.
Explanation:
France, Germany, Italy and the United Kingdom have been referred to as the "Big Four of Europe
An Oasis because a gravel-covered plain would hurt there feet.A salted crusted flat is dangers if one little piece of water touches the salt could ruin the whole area.A rocky plateau they would have have to climb up and down the plateau and they could get hurt.A Oasis has pure water,and enough trees to keep most or all the air pure, and almost to no dangers animals
The correct answer is child-free. Child-free is being
defined or pertained to adults who are likely to live their own life and grow
without having to bear with children or even to live one with a child of their
own or a child.