Which of the following instruments is used to measure the speed of a stream? by Sunday | May 15 | Biology WAEC | 0 comments A. Simple float B. Secchi disc C. Quadrat frame D. Rain gauge Correct Answer: Option A A. Simple float Users Also Read These:The easiest way to establish the level of pollution…Which of the following instruments may be used to…Which of the following correctly gives the…Which of the following instruments is used in…The driver of a car moving with uniform speed of…