The nutrition facts label on a food package lists "iron 50%." what does this figure indicate?

After mork has gone through one full sleep cycle, his heart beats faster, his breathing grows fast and irregular, and his closed eyes begin to move back and forth. a researcher who is monitoring mork’s eeg activity will most likely see waves.

Describe some of the common health conditions associated with air pollution.

Brainliest what are fingernails made of?