<u>Sunspots</u> are temporary phenomena on the photosphere of the Sun that appear as dark spots compared to surrounding regions. They are caused by intense magnetic activity.
If we say something is beneficial, it must be positive
and really mean to give advantage to one thing or another. Wave energy is a
renewable energy since it can be used repeatedly over time without any problem
on supply. Hence the greatest benefit it can give would be:
decreased use of nonrenewable resources
