As described in this study unit, which of the following is the key to a quality child care center?
a. equipment and supplies
b. a sound budget
c. location
d. staff

The key to a quality child care center is the presence of a good (D) Staff. Without people handling you child care center will just go to waste. It won't work well and the resources the center have will not be maximized. It hard to have an unreliable staff because they will just ruin everything. As much as possible, they are equipped with the best training to bring the child care center.

Depends on which disease, but as a general rule eat healthy. many vegetables.                                                        hope my answer has come to your . you for posting your question here in we hope to answer more of your questions and inquiries soon. have a nice day ahead! : )     (p.s mark as brainliest if )