2. Define: Lifelong activities and Lifetime sports. Include similarities, differences and give
examples.

c)as speed changes, wavelength and frequency change.

everything changes!

the first american roller coaster was the mauch chunk switchback railway, built in the mountains of pennsylvania in the mid-1800s. the track, originally built to send coal to a railway, was reconfigured as a "scenic tour."

it was given as a lesson and guide for prayer.