Agricultural products that are produced extremely long distances from the US can be sold in American markets today due to . A.
little demand for fruit and produce existing year-round
B.
speeds of transportation being decreased
C.
refrigeration and preservation techniques being improved
D.
fewer Americans being engaged in farming

C. refrigeration and preservation techniques being improved

Explanation:

Preservation refers to a process that preserves food for a longer period without spoiling. Most common preservation methods are freezing, sugaring, drying, salting, lactic acid fermentation, smoking, acidification, vinegar preservation, sealing, heat treatment, irradiation, use of preservatives and pasteurization.

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1. state-issued photo ids. provide them for free for those who can't afford them.

2. the system we have seems to be working nearly perfectly. seems like about 31 cases per billion votes cast

3. the national policy for hiring new employees which requires proof of eligibility to work. there are something like 20 types of identification which can be used for this.

answer; i believe the correct answer is (4) flip a coin as each participant arrives,heads indicates assignment to the first group: tails indicates assignment to the second group;