Human activity can affect the river ecosystems because first of all humans take the water and use it for themselves, they also pollute it, disturb the ecosystems and kill fish or oysters etc. in the ecosystems.
According to the research, the correct option is false. The colon can be divided into four sections: ascending, transverse, descending and sigmoid.
<h3>What is the
colon?</h3>
It refers to the portion of the large intestine, whose function is to convert digested food waste (chyme).
It can be divided into four sections:
- Ascending, it begins at the junction with the tenuous intestine and extends down the right side of the abdomen.
- Transverse, which crosses the abdomen from the right side to the left.
Therefore, we can conclude that according to the research, the correct option is false. The colon can be divided into four sections: ascending, transverse, descending and sigmoid.
Learn more about The colon here: brainly.com/question/14788209
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1. True
2. False
3. True
4. True
5. False
Answer:
C
Explanation:
you have 1 full square and 1/4 of the other square, making 1 1/4