harmonywilliams30
22.04.2021 •
Biology
Living organisms are classified into six kingdoms. Which of the following are eukaryotes? (The number of answer are 4 in total)
Answer choices:
Archaebacteria
Eubacteria
Protista
Fungi
Plantae
Animalia
Solved
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Ответ:
One half
Explanation:
The question is asking how much of the oxygen we breathe is produced from algae. Algae is a plant which uses photosynthesis to produce oxygen, like many other species of plants. Scientists have estimated about 50-80% of our air to be produced from algae. The only closes answer of your options is one half, because 1/2=50%