WAEC - Biology (2020 - No. 31)
The diagram above illustrates an ecological instrument. Study it and answer the question below;
A disadvantage of the abiotic factor measured by the instrument is that it
is an agent of pollination
is necessary for germination
leads to flooding when in excess
is used for irrigation
Explanation
- The rain gauge is an instrument used to collect and measure precipitation (falling water).
- High level of rain can lead to flooding
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