Question

the first refrigerated truck, allowing goods to be transported long distances while staying cold or frozen. his invention had a significant impact on grocery stores, expanding the availability of fresh and frozen food. during world war ii, jones’ refrigerated trucks were crucial for transporting food, medical supplies, and blood to support the war effort. improvements to the light bulb (lewis latimer, 1881 - 1882) lewis latimer made advancements in electric lighting by developing improvements to light bulb structure and to the manufacture of carbon filaments. he received patents for these innovations in 1881 and 1882, respectively. latimer invented a way to make carbon filaments that was more reliable, which allowed them to be mass - produced. although he did not initially work for thomas edison, latimer later joined the edison electric light company and collaborated on improving the light bulb. latimer’s work helped improve electric lighting and made it more widely available. what did frederick mckinley jones invent in 1940 that revolutionized food distribution? the flash - freezing process the refrigerated truck the concept of dry ice

Explanation:

The text mentions that Frederick McKinley Jones created the first refrigerated truck, which allowed goods to be transported long distances while staying cold or frozen. Among the options, "the refrigerated truck" matches this description. The flash - freezing process and the concept of dry ice are not related to Jones' invention as per the given text.

Answer:

B. the refrigerated truck (assuming the options are labeled with A, B, C where A is "the flash - freezing process", B is "the refrigerated truck", C is "the concept of dry ice")