Answer:
Multi-step process
Because it can be done twice or more
In transverse waves, the particle movement is perpendicular to the direction of wave propagation. Light and other types of electromagnetic radiation are examples of transverse waves. Some other examples of transverse waves include a ripple on a pond and a wave in a string.
It's hard to explain but it would like, be less wild than the seasons we have today.
<span>Before an eruption, scientists look for gases and changes in the volcanoes shape, before an eruption the number and intensity of small earthquakes increases, this is caused by the movement of magma, prior to the eruption. Magma forms in the mantle and is a result of high temperature and low pressure.</span>
You could put salt-crystals outside during different times of the day when the temperature drops or rises.