How metal and bamboo instruments are played?​

It is played vertically but blown horizontally across the open inner edges of the bamboo pipes. The air blown through the instrument creates a series of pulses that generate sound waves within the tubes. Each pipe is tuned to a different note for producing a wide range of sound.

"griffith's experiment discovering the "transforming principle" in pneumococcus bacteria. griffith's experiment, reported in 1928 by frederick griffith, was the first experiment suggesting that bacteria are capable of transferring genetic information through a process known as transformation." - griffith's experiment.

he forelimbs below belong to four species that descended in a direct line from the ancestral mammal shown above. of the four descendants shown, which species most likely appeared earliest in evolutionary history?