Biology
WAEC 2020
The diagram below is an illustration of an ecological instrument. Study it an answer the question below;
![The diagram above illustrates an ecological instrument. Study it and answer the question below; A disadvantage... - Myschool](data:image/jpeg;base64,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)
When the instrument is in use, it is usually?
-
A.
placed slightly above soil level
-
B.
placed on a table
-
C.
suspended in air
-
D.
suspended to moving water
Correct Answer: Option A
Explanation
No official explanation is available for this question at this time. Please check contributions posted by others below. If you can provide an explanation to help other student learn, please
click here
Report an Error
Ask A Question
Download App
Quick Questions
Contributions ({{ comment_count }})
Please wait...
Modal title
Report
Block User
{{ feedback_modal_data.title }}