Respuesta :
A) the number of small family farms has doubled in the past century
Answer:
Food wholesalers invented frozen foods to increase a food’s shelf life.
and
The food industry invented refrigerators to enable farther transport of food.
Explanation:
Agricultural Research Service, U.S. Department of Agriculture. Of course, frozen food has always existed in climates that were cold enough for the food to freeze. Freezing method, which produces the type of frozen foods that we know today.
A refrigerator (colloquially fridge) consists of a thermally insulated compartment and a heat Freezer units are used in households and in industry and commerce. Domestic refrigerators and freezers for food storage are made in a range of sizes. Freezers allow people to buy food in bulk and eat it at leisure, and bulk.
(this was question was asked 2 years ago but this is still valid for today's testing.)