PLEASE HELP When will a fossil be used in finding the absolute age of rocks? (1 point)
A. if it existed for a long period of time and in a wide area
B. if it existed for a limited period of time and in a small area
C. if it existed for a limited period of time and in a wide area
D. if it existed for a long period of time and in a small area

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