Scientists are concerned about the rising levels of carbon dioxide (CO 2). What trait about this gas makes it so concerning to scientists?

It is only made by humans.

It causes plants and animals to die.

It can trap heat.

It is toxic and poisonous.

Derek is working on a thesis on the changes in social behavior in the context of finding partners. an important part of his study concerns the various practices followed by males and females over the course of generations and how they have gradually transformed into our current social norms. derek can be called a(n) psychologist. (tb75)\

If i see a courtesan and a naked person do i call the police?

How does cultural diffusion affect civilization