Answer:
air and water
Explanation:
because those two are the only ones in this list that dont eat, breathe, or reproduce
As part of its food safety
program, USDA has simplified food safety rules into clean, separate, chill and cook.
Following these core four practices for food safety helps to prevent bacteria and
to reduce one’s risk of foodborne illness. The rule emphasize on washing of hands
and surfaces often, separating food substances to avoid cross-contamination, cooking
to the safe internal temperature and proper refrigeration of food.
20 babies were born in the ward, 10 of them had blue eyes and the other 10 had brown eyes.
% of blue eyes babies is 50% and % of brown eyes babies is also 50% (10/20*100).
<h3>What is a Dominant trait? </h3>
Brown eye color gene is a dominant trait, and it can express itself in pure breed condition as well as impure breed condition.
Blue eye color gene is recessive and can only express itself in pure breed recessive condition, the dominant gene repress the expression of the recessive gene phenotypically, but the genetic makeup remains the same.
Hence, the blue-eyed babies have pure breed recessive genotype and brown eyed babies have pure breed dominant genotype or genotype.
Learn more about Dominant and recessive traits
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substance formed by the chemical combination of two or more elements in definite proportions (a thing that is composed of two or more separate elements; a mixture.)
