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malfutka [58]
3 years ago
5

Marine debris is best described as being composed of _______. a. solid garbage b. untreated sewage c. toxic chemicals d. things

discarded by humans
Biology
2 answers:
777dan777 [17]3 years ago
8 0

The right option is; d. things discarded by humans

Marine debris is best described as things discarded by humans.

Marine debris is any human made, solid substances that has be intentionally or unintentionally released in a lake, stream, sea, ocean, or waterway. Marine debris may be composed of simple items such as a plastic bag, bottles, glass or cans that enter the water body potentially injuring and killing marine life. Almost all marine debris comes from land-based sources.


Andreyy893 years ago
4 0
The answer would be d. things discarded by humans
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Answer:

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Explanation:

The corrugated cardboard tube represents the digestive tract.  The give away was the presence of the irregular surfaces within the tubes. This is called the villi. The villi is responsible for the absorption of food after digestion into the body.

Irregular surfaces on the corrugated tube represent the villi. They are tiny hair-like structures that are in the small intestine, that are responsible for the absorption of food into the bloodstream.

The pump represents the heart. The heart is the only organ in the body that provides the pressure force that pushes the blood throughout the body. In this model, the pump will most likely be performing the same function.

The plastic tubings are meant to contain one form of fluid or the other. Judging from that, they can be said to represent the blood vessels. This is because they are connected to the heart and are meant to transport bodily fluids around the body

4 0
3 years ago
True or false: single sugars are too large to be absorbed directly into the bloodstream
AleksandrR [38]

Answer:

False

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The simple sugars like glucose, galactose are easily digested by the digestive system of the human body and easily absorbed by the cells.

Since the simple sugars or simple sugars are small in their structure compared to the complex carbohydrates therefore false is the correct answer.

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I hope my answer has come to your help. God bless and have a nice day ahead!


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