The isotope silicon-32 decays into phosphorus-32. Silicon-32 has a half-life of 170 years and can be used to find the age of rocks it is contained in. Which two statements are true regarding this scenario?.

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

Me the formula cacl2 represents the compound

Amap's orientation is typically determined by an