Which is involved when a doppler effect is produced?

change in amplitude

change in frequency

change in wavelength

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 is the carbon cycle related to global warming ?

What substance acts to prevent sudden ph changes in bodily fluids?