<span>Both radar and sonar locate objects from the echo of a signal that is bounced off the object. Radar uses radio waves, which are a type of electromagnetic energy. Sonar uses the echo principle by sending out sound waves underwater or through the human body to locate objects. Sound waves are a type of acoustic energy. Because of the different type of energy used in radar and sonar, each has its own applications.</span>
I don't know for sure if there is answer choices. However, New Zealand was the first country in the world to allow women to vote which was a huge step.
I hope this is the answer you were looking for and that it helps!! :)
