Which type of organism is used in toothpaste, but can also cause malaria?

The part of a desired plant inserted into rootstock during grafting is called the

Efficiency is the percent of work put into a machine by the user (input work) that becomes work done by the machine (output work)

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