Answer: b
Explanation: i just took this on edgenuity
Sample Response: If temperature and surface area increase, then the time it takes for sodium bicarbonate to completely dissolve will decrease, because increasing both factors increases the rate of a chemical reaction.
in spanish
Los coronavirus son virus de ARN monocatenario no segmentados que varían de 26 a 32 kilobases de longitud, que pertenecen a la subfamilia Coronavirinae de la familia Coronaviridae del orden Nidovirales
in English
Coronaviruses are unsegmented single-stranded RNA viruses ranging from 26 to 32 kilobases in length, belonging to the subfamily Coronavirinae of the family Coronaviridae of the order Nidovirales
displacement is the shortest distance travelled...
hence in this case the displacement will simply be 12m
