Which of these describe the role of the Ethiopian wolf in its ecosystem? (Select all that apply.) predator
primary consumer
prey
secondary consumer

What type of government does costa rica have?

Which of the following is true of all geographic locations on earth?

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?