1. What is Preservation? 2.Why does refrigerator and freezing help preserve food for a longer time? ​

q.1 ans

Preservation—The protection of cultural property through activities that minimize chemical and physical deterioration and damage and that prevent loss of informational content. The primary goal of preservation is to prolong the existence of cultural property.

Explanation:

q.2 ans

Cold temperatures help food stay fresh longer. The basic idea behind refrigeration is to slow down the activity of bacteria (which all food contains) so that it takes longer for the bacteria to spoil the food. ... Refrigeration and freezing are two of the most common forms of food preservation used today.

answer: 2

explanation:

yes

in the year 2850, humans successfully colonized mars. the martian modules that were constructed could hold only a small population of people. it is now a century later, and the population on mars has grown to 600 people. of the current mars population, 45 people express the recessive phenotype for phenylketon- uria (pku) syndrome (pp genotype).

explanation: