It differs due to the life cycle of each tree, and the very specific way the trees go.
Answer:
<h2>Mechanical waves require material medium to be able to travel .</h2>
The function of the goblet cells is to produce mucus that protects parts of the digestive organs from the effects of powerful enzymes needed for food digestion.
Rerouting a river would likely affect the surrounding ecosystem and environment. Rivers are a powerful force in nature and effect everything from the shape of the terrain to the life around it.