What are three organs that could be part of a mollusk respiratory system?

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

How do you date a sample of rock that you suspect as being one of the earliest on earth

Suppose you were the commissioner of corrections for your state. which correctional activities might come within your domain? which mostly would not