What is a nutrient used for many body processes?

When studying heredity, what is the relationship of dna based and traits? super urgent !

Minor illnesses: a.) decrease the risk of sids b.) increase the risk of sids c.) increase the risk of hospitalization d.) decrease the risk of allergies e.) increase the risk of allergies

The age of receding pandemics is one of three progessive ages of epidemiologic transition. select one: true false