Which area would be most affected by disruption of the marine ecosystem? 1 brazil 2 the caribbean 3 central america 4 ecuador

Amountain created from tectonic activity would be considered which type of landform ? a) primary landform b) secondary landform

Ascientist is explaining how background cosmic radiation gives evidence of the big bang theory. she says that radiation has been detected everywhere equally as heat in the universe and is increasing. this has been shown to be residual radiation from the big bang. what error did the scientist make?

What is the border between layers a through f and layer g called?