What is the wavelength of a sound wave with a frequency of 50 hz? (speed of sound is 342 m/s)?

Argon, neon, and xenon are examples of

Two trains leave a station at the same time, train a travels at a constant speed of 16 m/s. train b starts at 8.0 m/s but accelerates constantly at 1.0 m/s squared. after 10.0 seconds, which train has the greater speed?

Give me a example of a decomposer. explain what would happen if decomposers were absent from a forest ecosystem