10.Mass extinctions happened mostly in:Lector inmersivo (1 Punto)
Precambrian Era
Paleozoic Era
Mesozoic Era
Cenozoic Era

By the triangle inequality theorem, if two sides of a triangle have lengths of 3 and 7, what are all the possible lengths of the third side? a) 3 < x < 8 b) 3 < x < 7 c) 4 < x < 10 d) 5 < x < 7

Iceland has taken advantage of its geology to meet a. political needs b. energy needs c. cultural needs d. economic needs answer b. energy needs

The separation of northern ireland from the republic of ireland is an example of