If you have 85 grams of isotope H-19, which has a have life of 15,000 years. How many years has passed after 5 have lives? How much parent isotope remains after 2 half lives? How many daughter isotopes have been created?.

Match each description to the appropriate biome. tropical savanna desert tropical rain forest taiga tundra has sparse vegetation and very cold temperatures located near the equator and contains trees that form dense canopy layers is very hot and dry, and has plants that need little water has cold winters, heavy snowfall and is dominated by conifers has warm temperatures and is dominated by grasses