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777dan777 [17]
3 years ago
5

Why does an atom have a neutral charge?

Biology
1 answer:
svet-max [94.6K]3 years ago
5 0
Then answer is letter C
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.<br> 1. Why is digestion so important to organisms?
SpyIntel [72]

Answer:

Digestion is important for breaking down food into nutrients, which the body uses for energy, growth, and cell repair. Food and drink must be changed into smaller molecules of nutrients before the blood absorbs them and carries them to cells throughout the body. The body breaks down nutrients from food and drink into carbohydrates, protein, fats, and vitamins.

3 0
2 years ago
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Which idea associated with relative dating helped inspire Charles Darwin's work on evolution?
mrs_skeptik [129]

Answer: The idea that the earth is extremely ancient.

Explanation:

Charles Darwin was a British naturalist who worked on the organic evolution of living organisms and in his books outlined how present-day organisms evolved from earlier, different species.

Evolution is an extremely slow process. It is difficult to obtain direct evidence of evolution in action. However, scientist including Charles Darwin, have from many fields gathered a great deal of indirect evidence that supports the theory of evolution. This evidence comes from many sources which include the FOSSIL RECORDS.

The history of life on earth is recorded in fossils (remains of organisms preserved mainly in earth's sedimentary rocks). Scientist can determine the age of rocks in which fossils occurs by using RELATIVE DATING. This method give a geological time scale, showing earth's age ( as measured by dating it's rocks), and tracing the history of life on it.

Therefore the idea that the earth is extremely ancient is associated with relative dating which has helped inspire Charles Darwin's work as an evidence on evolution.

3 0
3 years ago
I’m struggling with this practice problem help
gayaneshka [121]

Answer:

it think it C ^^^^^^^^^^^^

7 0
3 years ago
Drip irrigation can reduce the amount of water used on a farm. <br><br> True <br><br> False
Sergio039 [100]
Its True beacause using a regular irragation system wastes much more water than a drip irrigation system
7 0
3 years ago
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Transcriptionally inactive regions of the genome are typically heavily methylated. True or false?
polet [3.4K]

The answer is true.

DNA methylation is a process by which methyl groups are added to the DNA, more precisely to its nucleotides adenine or cytosine (they are methylated) via enzymes called DNA methyltransferases. This process as a result can change the activity of a DNA. For example, if DNA of gene promoter is methylated gene transcription is repressed. The opposite process is DNA demethylation.

So, DNA methylation is an epigenetic mechanism meaning that gene activity can be changed and inherited that way, but the sequence  of DNA remains the same.

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