Which will cause an increase in the reaction rate between molecules?
molecules have strong internal bonding.
molecules collide more frequently.
electrons in the bonds remain in a meta-stable state.
electrons do not have enough energy to leave the bonds.

Which type of bacterial reproduction is depicted in the diagram?

Describe five factors that influence the value of fuel

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