Science
What tool do people at sea use to measure distance with echoes?
More Questions from Science
John Glenn was the first American to orbit the earth, in how long a flight?
Reveal Answer
What does one call a smaller stream that parallels a larger stream and finally enters the larger stream?
Reveal Answer
Which of these is defined as "part of the electromagnetic spectrum that contains visible light"?
Reveal Answer
What is condensed water falling from the atmosphere called?
Reveal Answer