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.
1 The bloom of the saguaro is Arizonaâs state flower. 2  The roots of a saguaro expand like an accordion to absorb as much water as possible. 3  The saguaro is primarily made up of water. 4  An adult saguaro may weigh up to 6 tons.