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Ganezh [65]
4 years ago
9

Why is mercury contamination in the ocean a concern?

Biology
1 answer:
solong [7]4 years ago
7 0
Its toxic to animals, and humans in large concentrations.. once that gets in the air the particles can even fall with rain, or snow onto the land.
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I hope this answers your question!
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In a healthy eukaryotic cell, the rate of DNA repair is typically equal to the rate of DNA mutation. When the rate of repair lag
Art [367]

Answer:

The cell may be converted to malignant tumor cell.

Explanation:

Due to failure of lag in the normal repair process, there will be formation of irreparable mutated DNA which may include double-strand breaks and cross-linkages in DNA. Due to this the normal functioning of the cell will be disturbed and there may be formation of malignant tumor or cancer. The normal repair process in necessary for any cell to compensate the mutations in DNA that even occur during division or replication.

7 0
4 years ago
If China has a population of 1,355,935,022 people and an area of 3,705,405 mi^2 what is the population density of China?
Setler79 [48]

The right option is; d. 366 people/mi^2

Population density is a measure of the number of people that constitute the population in a particular area per square kilometer or square mile.  

From the question, the population of China is; 1,355,935,022, and the land area is; 3,705,405 mi^2.

Population Density = Number of People / Land Area.

Population Density =1,355,935,022/ 3,705,405 = 365.93 = 366 people/mi^2.

Therefore, the population density of China is 366 people per square mile.


4 0
3 years ago
Which type of graph would you use to compare the amount of rainfall each month for one year?
Helga [31]
I am pretty sure that would be a bar graph.
5 0
3 years ago
What is the function of the hydrogen ion concentration gradient?
padilas [110]

Answer:

Notice the large difference in the number of hydrogen ions on the two sides of the membrane. This difference is a hydrogen ion, or proton, concentration gradient. The energy associated with this gradient is used to synthesize ATP from ADP and Pi. This occurs at the ATP synthase complex.

Explanation:

4 0
3 years ago
You observe two groups of freshwater fish that spawn at the same time of the year and in the same pond. After females lay their
BabaBlast [244]

Answer:

The given blank can be filled with post.

Explanation:

A mechanism, which prevents the species from mating with others is termed as reproductive isolation. It is further differentiated into pre-zygotic and post-zygotic isolation. The phenomenon of prezygotic isolation inhibits the eggs to get fertilize, while the postzygotic isolation inhibits the generation of fertile offspring.  

The mechanisms of prezygotic isolation comprise mating seasons, habitat isolation, gamete isolation, mechanical isolation, and behavioral isolation. On the other hand, postzygotic mechanisms comprise hybrid sterility, hybrid inviability, and hybrid breakdown. Thus, the given case is an example of post-zygotic isolation.  

3 0
4 years ago
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