by clinicians to inform conduct of urine drug testing for opioids and. other drugs. The first table provides information about two drug testing. techniques, immunoassay and gas chromatography mass spectrometry, and includes a brief description of each technique and their advantages and. disadvantages.
Saguaro cactus continue growing until they're about 100 years old, reaching a standard height of 20-30 feet, with a few as large as 40-50 feet. The lifespan of this plant is approximately 200 years.
The saguaro cactus [ Carnegiea gigantea or Cereus giganteus ] has a plum like fruit. The fruit is red in color, and edible and flavorful to eat. In fact, the fruit attracts people and wildlife. It doesn't show up until the cactus is at least 40 years old.