Write the ways food preservation available to your community.​

In contemporary society, there are many ways to preserve food:

Canning - which consists in adding salt and heating food inside a can

Freezing - which is simply the use of a refrigerator to cool or freeze the food

Drying - as the world implies, this is drying the food so that bacteria, which thrive in moist enviroments, do not grow

Salting - perhaps the oldest method of food preservation, simply consists in adding salt to the food in order to preserve it.

local max is .5

step-by-step explanation:

the local maximum is for x values between 2 and 4

it looks like the x value is 2.5 and the y value is .5

answer; biological;