Black carbon is the sooty material ejected from diesel engines in their exhaust gases. RSSB notes that it can cause lung diseases. Nitrogen dioxide is also a product of burning diesel and can effect people's lungs.

Nopal is a prickly pear native to arid areas of North and South America. […] Nopal is high in fiber, vitamins, protein, and mucilage.

scratch memory

You talkin’ about that skeeze over in the Yard?