”The Smartfin is a surfboard fin with sensors that measure important ocean properties that help researchers and coastal communities understand trends in ocean health. ... Using an app on their phone, the data surfers acquire while in the water becomes accessible in near real-time to the world-wide scientific community.”
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If untreated sewage gets into rivers, microorganisms decompose it. They use oxygen from the water for aerobic respiration. As a result there is less oxygen dissolved in water, so aquatic organisms such as fish and insects may be unable to survive.
Answer:
The correct answer is d Bill"s plasma contain B antibodies
Explanation:
As Bill"s plasma contain B antibodies that"s why his blood cells do not aggutinate when mixed with anti B serum.
Answer:
cell wall, central vacuole, and nucleus
Explanation:
