Stress can actually improve your ability to concentrate and perform if the level is moderate. <span>Better concentration and focus makes life easier and more productive, and anyone can make it happen. Hope this answers the question. Have a nice day.</span>
ANSWER : communication
Explanation:
D) Water purification programs because if water is contaminated, it can produce a huge amount of illness and sickness worldwide.
Because it is a hard time in life. Bodies going through changes, and emotions at an all time high.
