Answer:
1. true
2. human immunodeficiency virus) is a virus that attacks the immune ... HIV is often spread by people who don't know they have it.
Answer:
Children younger than 5, but especially children younger than 2 years old. Adults 65 years of age and older. Pregnant women (and women up to two weeks postpartum)
Explanation:
An isotope of the element.
Answer:There are four steps in the digestion process: ingestion, the mechanical and chemical breakdown of food, nutrient absorption, and elimination of indigestible food.
Explanation:
