Review the details below. Prior to refrigeration , ancient civilizations depended on root cellars , collected ice, salting, and other methods to cool and preserve their foods. Modern refrigeration has reduced the number of-foodborne illnesses and has allowed fresh foods to be transported long distances. The Royal Society named the refrigerator the most important invention in the history of food, followed by pasteurization, canning , and the oven. Choose the best topic sentence to introduce a paragraph containing these details. The invention of the modern refrigerator revolutionized the process of storing food. The modern refrigerator went through many versions as it was developed over more than a century. Ancient civilizations used a variety of techniques to compensate for their lack of refrigeration.

Work out the value of x in the equ (1)/(8^(17))=8^(x)

Fully simplify 8x+5y+3+3y-3x

What two values can d have if d^(2)=9 ?

A rectangle and a square are joined together to make a larger rectangle with a perimeter of 40cm . If the square has an area of 49cm^(2) , what is the area of the original rectangle? Give your answer in cm^(2) .

The ratio of black cars to green cars in a car park is 71:53 . Rewrite this as an equivalent ratio of the form n:1 . Give any decimals in your answer to 2 d.p.

Calculate (3)/(4)+(2)/(5) . Give your answer as a mixed number.

Solve 13=3x-5 x=dots

a, CIM gitr code be som lwän diverg AA x A=4x^(2)y+x^(2)-6x+13+4xy

Write 2(2)/(6) as an improper fraction. Give your answer in its lowest terms.

Complete the numerator to write 1(3)/(5) as an improper fraction. Mixed number: 1(3)/(5) Improper fraction: (2])/(5)