The answer would be answer A) True because any type of stress can be stressful like work, school, or etc.
It will help you.
And the answer is A. U.S. Government websites.
Hello There! ^_^
Your question: Too much _______ for children can be toxic, including symptoms of nausea, vomiting, rapid heartbeat, and diarrhea.
Your answer: Too much iron for children can be toxic, including symptoms of nausea, vomiting, rapid heartbeat and diarrhea.
The answer is iron to fill up the black.
Hope this helps! :D