Some VOCs are even known to be carcinogenic, like benzene in tobacco smoke, perchloroethylene (aka perc) in dry-cleaning fluid, methylene chloride in paint strippers, and formaldehyde in pressed wood products like particleboard.
  The largest plant families are: Asteraceae (Sunflower family) ~24,000 species Orchidaceae (orchid family) ~20,000 species Fabaceae (Legume family) ~18,000 species â¦ Poaceae (grass family) ~10,000 species Rubiaceae (coffee family) ~10,000 species.oover Dam is the largest hydro electric dam in the world. This Is Totally Wrong. The Largest Hydro-Electric Dam In North America Is The Mighty Grand Coulee Dam In The State O â¦ f Washington Which Produces 3 Times The Megawatts As Hoover Dam. Grand Coulee Produces 6,809 megawatts And Hoover Dam Only 2,078 megawatts.
The Rhododendron genus is the largest of the genera in the Ericaceae family, with 1,024 species, though estimates vary from 850-1000 depending on the authority used, (Fayaz 2012) and is morphologically diverse.hododendron is a genus characterised by shrubs and small to (rarely) large trees, the smallest species growing to 10â100 cm (3.9â39.4 in) tall, and the largest, R. protistum var.