Answer:
Radio waves
Explanation:
I did the assignment i know the answer on Edgen
A plural noun indicates that there is more than one of that noun (while a singular noun indicates that there is just one of the noun). ... Regular plurals follow this rule (and other similar rules), but irregular plurals are, well, not regular and don't follow a “standard” rule.
For power and to pay off debts. Hope this helps! :)
I suggest you Carefully<span> organizing your thoughts, Put some time into your essay.
(yes I took this test before)</span>