Answer:
Explanation:
The chemical imbalance theory is unproven and often cited as an explanation for mental health conditions. It states that these conditions are caused by an imbalance of neurotransmitters between nerve cells in the brain. For example, depression is said to be a result of having too little serotonin in the brain.
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)
They have a 25 percent chance I think and doctors can test the baby to see if it was passed on
1 IS A
2 IS D
3 IS A
I DON'T KNOW WHAT 4 IS BUT I HOPE I HELP
Leaving food out in temperatures between -17°C and 45°C. That's the danger zone!
