What are the three major major systems used to produce food

Agriculture, manufacturing, and food processing.

Explanation:

I think these are the answers if they are wrong I apologize.

1. Agriculture: raising crops, livestock and seafood.

2. Manufacturing: agrochemicals, agricultural construction, farm machinery and supplies, seed, etc.

3. Food processing: preparation of fresh products for market, and manufacture of prepare food products.

I hope this helps!

the formula for the conversion of temperature from degree celsius to kelvin is:

the sample of water at is converted to kelvin temperature by using the above formula as:

on comparing the two samples of water at or we can say that at and at respectively. the difference between the temperatures of two samples of water is:

hence, one can say that the sample of water at is greater than the sample of water at by .