Advantages:
1. Gives us shelter from the hot and humid sun
2. Holds the sand firm to the ground so that it will not be blown by the wind everywhere and the world will not become deserts.
3. Help stop global warming by reducing carbon dioxide by breathing it in and gives out oxygen.
4. Being a food producer which provides food for some herbivores.
Disadvantages:
1. Conducts electricity when there's thunder.
2. Takes up space that could be used for land development.