Cultural boundaries in eastern europe have been created by apartheid ethnicity language nomadism religion you : )

Why is the huronian supergroup rock formation particularly interesting to scientists? because it looks like a cross-section of a giant, stone encyclopedia because it formed during the period when oxygen began to accumulate in the atmosphere because it contains unusually large amounts of oxygen and sulfur because it dramatically altered the planet's development when it first formed

Select the star life cycle that is accurate

The availability and cost of blank is a major component of a region's overall cost of living.marking brainliest answer btw only one answer -health care -transportation -housing -education its 20 pts