Which of the following activities is the largest producer of primary air pollutants in the united states? healthcare transportation electricity production agriculture

While eating cake crystal watched kisha place her hand in the frosting and rub it in her hair afterwards crystal did the same with her piece of cake crystal displayed

The chromosomal structure that limits the number of cell divisions of a cell is the the chromosomal structure that limits the number of cell divisions of a cell is the kinetochore telomere histones centromere

This is a biological reaction due to a stimulus. i need this quickly !