Carmen's father gets a job working at a nuclear power plant in a nearby town. carmen is initially very concerned. which of carmen's possible concerns is the most scientifically valid? a) her father might die in a nuclear explosion. b) her father will be exposed to higher levels of radiation. c) her father will develop unnatural mutations and an eerie glow. d) her father will breathe in dust and smoke and develop lung problems.

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