In developing countries, diarrhea . A) leads to an estimated 2 million childhood deaths each year B) results from unsafe water and contaminated foods C) is less prevalent than in industrialized nations D) has been linked to a mercury-based preservative in vaccines

In developing countries, diarrhea B) results from unsafe water and contaminated foods.

Explanation:

Diarrhea is usually a symptom of bacterial, viral, or parasitic infection that results from eating contaminated food or drinking polluted water.

faster

explanation:

like how hot it is

explanation:

1)drink water

2)try concentrating on what u r doing to distract urself from the headache and manipulate ur brain

3)go to sleep.its an easier yet time consuming way

4) massage ur temple and head