red hot ass as it cooled volcanoes hold matter from its in a most court to the surface liquid rock richen sodium gushed from fishes in the earth's crust and the gas clouds from the volcanic crater has contained not only water vapor but lowering. it remained in the atmosphere until the air cooled enough for the 1st rains. the chlorine was washed down with the rain into the rivers as the water flowed from there into the sea it passed over volcanic rock containing sodium. the water leached out the sodium meaning the primordial ocean now contained but sodium and chlorine. as the sea evaporated in many areas over the course of millions of years it left behind sodium chloride otherwise known as cells. and the process continues to this day the sun evaporates the water and sea salt is left behind and on very hot sunny days with steady winds particularly fine crystals form the coveted just said. today salt from ancient oceans is also found far from the sea the movement of the earth's tectonic plates pushed the salt either to high allegations. deep into the ground. so all. our salt originally hails

red hot mass as it cooled volcanoes hold matter from its in a most court to the surface liquid rock richen sodium gushed from fishes in the earth's crust and the gas clouds from the volcanic craters contains not only water vapor but flowing. it remained in the atmosphere until the air cooled enough for the 1st rains. the chlorine was washed down with the rain into the rivers as the water flowed from there into the sea it passed over volcanic rock containing sodium. the water leached out the sodium meaning the primordial ocean now contained but sodium and chlorine. as the sea evaporated in many areas over the course of millions of years it left behind sodium chloride otherwise known as cells. and the process continues to this day the sun evaporates the water and sea salt is left behind and on very hot sunny days with steady winds were to kill a fine crystals form the coveted for the just said. today's salt from ancient oceans is also found far from the say the movement of the earth's tectonic plates pushed the salt i the to high at elevations. bone deep into the ground. so all. our salt ori

but as the richenations ndserve more doses than they need of the u.s.uropean- made vaccines, africa mayhave little choice than to turn to the russian or chinese vaccines. >> africa c.d.c. is watching over all vaccines that are being trailed, we are analyzing the results and only the most effective and efficacious vaccines will be allowed to be used on the continent of africa. >> reporter: but it may be years before any of the vaccines are available for many africans. and though some african countries are already preparing to supply coolers for the covid- 19 vaccines across the continent. a recent study conducted by the world health organization found that only 40% of african countries are prepared to roll out a vaccine. poor infrastructure, frequent power outages, roads in disrepair, all will be challeng for the d.r.c. when planning how to store and distribute the vaccines. >> the d.r.c. is among theat countries re not yet ready to roll out the covid-19 vaccine. health experts here sa are still discussing the modalities of introducing a distributing foa vaccine that's suitabl their envi