The answer is B because a virus would be more effective
Answer:
C. 3
Explanation:
An embryo forms three distinct cell layers, and each layer develops into different types of cells and organs.
Answer:
Stress occurs when the body physically sustains grave injury due to environmental factors.
The vaccines that are required by law, according to the Childhood Vaccine Injury Act of 1986 are:
1. Diptheria, Pertussis and Tetanus Vaccine (DTP, DTap, DT, TT or Td)
2. Measles, Mumps and Rubella Vaccine (MMR)
3. Chickenpox Vaccine (Varicella)
4. Rotavirus and Pneumococcal Conjugate Vaccines
5. Haemophilus Influenzae type b Vaccine (Hib)
Aerobic exercise like running, jogging, swimming and walking because all of these get your heart rate up.
