Which of the following is untrue? Chemical disease agents are

A. Found in the home setting in household products
B. Hazards in some occupations and industries
C. Commonly used in medicines and drugs
D. Solely the product of humankind's actions in the biosphere
E. None of the above

The williams twins are in your dental office for a routine checkup. mrs. williams informs you that they both eat the same quantity of sweets. however, jeanne eats her sweets all at once, whereas carol divides her sweets throughout the day. which of the twins is most likely to have tooth decay? why?

What parts of the cardiovascular system are affected with atrial fibrillation?

So i have a lot of answers answered but it says i still need to answer more questions. why is it doing that? how many questions need to be answered?