Why is the metric system more scientific than the English system? A. The English system is older than the metric system, and so it is less relevant.

B. The English system is only used in English-speaking countries.

C. The English system was based on human traits, while the metric system was founded on physical constants.

D. The English system must be converted to the metric system using conversion factors.

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