Proyecto génesis 2000 ¿que partidos quedaron afuera y porque?

Which factors add to the greenhouse effect and are caused by human activities?

These factors threaten north americas ecosystems

Which of the following mountain ranges is home to the largest mountain peak in europe? a. the carpathian mountains b. the caucasus mountains c. the balkan mountains d. the ural mountains select the best answer from the choices provided a b c d