There is a giant sequoia (sequoiadendron giganteum) named washington (after george washington) that was believed to be the second largest tree in the world (253.7 ft in height! ) until it was struck by lightning in 2003.the lightning strike caused a fire at the top of the treethat reduced washington's height to about 229 feet. the fire released carbon that wassequestered in wood into the environment in the form of . co2b. heatc. sugard. ashe. air

Hydrilla (hydrilla verticillata) is an invasive aquatic plant and one of the most serious aquatic pests in florida. hydrilla has already been introduced to hundreds of bodies of water throughout florida, hydrilla is difficult to control because it grows rapidly and survives in many different water depths and conditions. hydrilla • describe how hydrilla affects native plant and animal species. include both a biotic and an abiotic limiting factor. • suggest one biotic and one abiotic recommendation that could slow the spread of hydrilla