Artificial methods in common use include preventing the sperm from reaching the ovum (using condoms, diaphragms, etc), inhibiting ovulation (using oral contraceptive pills), preventing implantation (using intrauterine devices), killing the sperm (using spermicides)
D is the answer because physical ya something you do and social is like talking
Answer:
1. Development of a fully voluntary blood donation system;
2. Strengthening of a nationally coordinated network of BSF to increase efficiency by centralized testing and processing of blood;
3. Implementation of a quality management system including of Good Manufacturing Practice GMP and Management Information System (MIS)
The answer is a) good luck!
This is true because when your are stressed and you eat bad it can add even more stress and maybe even a outbreak