PLZ HELP In which region of the Sun does energy move through circulating currents of gases?

radiative zone
chromosphere
convective zone
photosphere
corona
core

What two properties affect the density of ocean water

Select the correct answer.look at this nineteenth-century illustration of london. which explanation best relates this illustration to changes in britain in the 1800s? a.factory workers in cities lost their livelihood because of the lack of housingb.industrialization narrowed the inccome gap between landowners and workers.c.the migration of workers from rural to urban areas resulted in overcrowded citiesd.the spread of railways allowed farmers to sell produce far from where it was grown.

The desert expands by hundreds of square miles each year.