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:Which of the following instruments is used to…Which of the following instruments can be used to…The easiest way to establish the level of pollution…Which of the following instruments is used for…Which of the following instruments is used to…