What economic activity is located in the taiga of russia

Rainbow trout is non- native to the united states. however this species is breeding with the native gula yltrout acientistrecently observed that the hola trout were becoming exitinct what is the cause of their extinction

The covers all of earth like a thin shell, but it is not a solid sheet of material. it is broken up into several large sections and many smaller ones. fill in the blank.

What would have happened to portugal’s trade if they had not found a way to sail around the tip of africa