<em>Anoxia, or a lack of oxygen in bodies of water leads to</em> dead zones.
Well.... the el Nino for sure
The movement of air through Earth's -- or any planet's -- atmosphere is called wind, and the main cause of Earth's winds is uneven heating by the sun. This uneven heating causes changes of atmospheric pressure, and winds blow from regions with high pressure to those with low pressure.
Answer: Test the hypothesis multiple times
Explanation: