In which layer of the sun do sunspots form?

a. photosphere b. core c. convection zone d. corona

Which volcanic eruption caused the most deaths

What's erosion? a. the breakdown of rock into smaller pieces b. the removal of weathered products from rock c. a change in rock resulting from exposure to water d. a chemical change in rock that weakens it

Unlike other andean nations, chile has a relatively small population of mestizos people of european descent indians people of asian descent