Question - All of the oxygen on the earth comes from
1 answer:
Answer:
<h3>1. producers releasing it as a product of photosynthesis </h3>
Explanation:
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Answer: A
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Answer:
Cerebrum is the largest and most complex region.
A. Improper use can lead to bacterial resistance.
Answer:
Prymnesiophyceae is an algal class. It is placed in the haptophyte clade. It is unicellular. It has flagella (usually two) known as haptonema. These structures help in attachment and feeding. The plastids are surrounded by four-layered membranes. Its species are mostly found in the marine environment, thus classified as phytoplanktons. Many members of prymnesiophyceae have cell covering made up of calcium carbonate. These structures are known as coccoliths.
Environmental sustainability is the rates of renewable resource harvest, pollution creation, and non-renewable resource depletion that can be continued indefinitely. If they cannot be continued indefinitely then they are not sustainable.So, Option D is correct.