There are 6 classes
-carbohydrates
-lipids(fats)
-proteins
-water
-vitamins
-minerals
It is an embryo because a zygote is just a cell and it turns into a fetus after 8 weeks
Answer:
0, 1, and 6 months.
Explanation:
The exclusive hepatitis B vaccine is given as a single dose to babies at birth. However, hepatitis B immunization continues through pentavalent vaccination at 2, 4 and 6 months of age. People who were not vaccinated against hepatitis B during the first months of life may receive immunization at any time in adulthood, on a 3-dose schedule and following a recommended application schedule of 0, 1, and 6 months.
