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

What is the difference between emigrate and immigrate? ?

Identify, in detail, three environmental effects of agriculture and explain how the actions of farmers cause them. what is the relationship between poverty and obesity in america and why? what are genetically modified organisms? list two pros and two cons for using genetically modified organisms. y'all this is due !

Answer this asap. why did the americans go to china? a. trading b. exploration c. land d. live stock