Which of the following countries does not consider the mekong river to be a prinicpal river system?

vietnam
myanmar
cambodia
laos

What term is given to the border between the central alps and the southern limestone alps?

In the developed world, women are increasingly more likely to delay childbirth until their mid- to late- twenties or long because

Impressions of tropical swamp plants were observed on rocks in polar regions. the impressions were dark black imprints, which means the fossils are examples of ( 1 ) the fossils tell us that polar regions ( 2 ) ( 1 ) a. carbonization b. mineralization c. trace fossils ( 2 ) a. had tropical plants that can grow in ice b. might have had a diffierent climate in the past c. will have abundent vegitation