En es donde se dan los princpales flujos migratorios de y asilasdos politicos

In stage 2 farmers used the land primarily to grow food for their families and their small communities.

15 points need quick 1. looking at your graph and the geologic time scale during what period did this rock form? what is the age span of the rock, in millions of years? 2. this rock sample is limestone and shale. with what you know about rock formation, what type of environment did these organisms live in? 3. if some of these fossil samples were found in a rock also containing leaf fossils, could you use radiocarbon dating to determine the age of this rock? explain.

Which physical law states that all orbits are conic sections?