A record shows that in January the rainfall recorded was 500mm. From February up to December, the rainfall was recorded at 250mm with June receiving 100mm of rain. Calculate the a) Rainfall range
b) average/mean​

What group has historically made up the largest portion of immigrants in mexico?

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

What volcanoes form on a divergent plate margin