Answer:
if your difficulty in sleeping is not due to health problems, here are some tips that can help you get back to sleep. Stop watching the clock. Marking off the minutes only heightens your distress about being awake. Try relaxing your body to fall asleep.
Explanation:
The answer is A stress can lead to increased vulnerability to infections and immune deficiency disorders
''An insufficient intake of folic acid—a common B vitamin—in the mother's diet is a key factor in causing spina bifida<span> and other neural tube defects.'' the answer is c
</span>
Cuáles son las etapas? ¿Las opciones?