The heroin signature program identifies the of a heroin sample.

The heroin signature program identifies the Geographic source area of a heroin sample.  According to the heroin signature program, the majority of heroin in the United States originates in South America and they approve a law named The Boggs Act required the complete removal of heroin from all medicines.

he forelimbs below belong to four species that descended in a direct line from the ancestral mammal shown above. of the four descendants shown, which species most likely appeared earliest in evolutionary history?

thats not even an aswer choice