Describe the life history of a 1 solar mass star from the moment it begins hydrogen fusion to the end of helium fusion in the core. include as many details as possible and describe its evolutionary track on the h-r diagram as it progresses.

Drastic boundary changes can occur for all of the following reasons except for a. a shift in the way a river flows b. the collapse of a government system c. a conflict between two neighboring groups d. one country's decision to sell land to another country select the best answer from the choices provide

What is the difference between external & internal migration

The capital of australia was located a. on a south-facing harbor d. between its two largest cities g. near the great barrier reef j. close to asia