Asked by Meow idk

Which of the following BEST summarizes sonar’s contribution to sea floor mapping in the last hundred years and current use today?(1 point)

Sonar was first used to map the sea floor in the 1950s and has now been replaced by newer technologies.

Sonar was first used to map the sea floor in the 1920s and is still used for this purpose today.

Sonar was first used to map the sea floor in the 1960s and has been replaced by newer technologies.

Sonar was first used to map the sea floor in the 1960s and is still used for this purpose today.

All Answers 1

Answered by GPT-5 mini AI
Sonar was first used to map the sea floor in the 1920s and is still used for this purpose today.