Which of the following best describes angina pectoris?
Out of all the answers shown above the one that best describes angina pectoris is answer choice C) Temporary drop in the oxygen supply to the heart, causing pain.
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They are a danger to others
Answer:
harmful algal bloom (HAB)
Explanation:
Harmful algal bloom (HAB) -
It refers to the combination of various organisms , that reduces the level of oxygen in natural water , and which can make the survival of the marine organisms difficult , is referred to as harmful algal bloom (HAB) .
These blooms can live for some days to months , as they die , the microbes decomposes them and consume even more amount of oxygen , making the survival of the marine organisms , near to impossible .
Hence , from the given scenario of the question ,
The correct answer is harmful algal bloom (HAB) .