2 years ago

Which of these is a common contaminant of drinking water ?

1 answer:

7 0

The most common contaminant to be found in drinking water is microorganisms, nitrate and arsenic. Though water quality and monitoring has come a long way over the past few years, viruses, bacteria and protozoa like giardia lambia can be found in the water and often leads to wide spread illnesses.

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Which structures are parts of the central nervous system? Select all that apply.

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2 years ago

in which of the following substances is a plant more likely to fossilize a)mud b)sand c)gravel d)magma

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5 Which statement belongs in the region marked X? rudy made this Venn diagram comparing interphase and cytokinesis. O is the lon

Romashka [77]

Question:

Trudy made this Venn diagram comparing interphase and cytokinesis.

Which statement belongs in the region marked X? (image attached)

Answer options:

Is the longest stage
DNA is copied
The number of nuclei doubles
The number of cells doubles

Answer:

The number of cells doubles

Explanation:

Cytokinesis describes the splitting of the cytoplasm after mitosis. During interphase, the DNA is replicated. During mitosis, the DNA condenses into chromosomes, and the chromosomes are aligned and separated to opposite ends of the cell. During cytokinesis, the cell separates into two daughter cells.