A, Why does the US want to intervene deeply in some Asian countries? b, What are the benefits of oil?

What is the reason for the “scramble for africa”?

The earth's internal process which drives seafloor spreading is

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