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bazaltina [42]
3 years ago
8

Why were the rocks on the river bed smooth?

Biology
2 answers:
notsponge [240]3 years ago
8 0

because the water runs over them that, then makes them smooth.
JulijaS [17]3 years ago
4 0
The answer is actually the third one with the rushing water. The continuous flow of water down the stream gradually eroded away jagged parts of the rocks; this phenomena is actually what created the grand canyon. Over a long period of time, the flow of water can make lasting changes. 
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Which sentence correctly describes the relationship between DNA, genes, and chromosomes? A gene is a segment on the DNA. DNA is
kotykmax [81]
<h2>Answer:</h2>

The correct statement is option A which is, "A gene is a segment on the DNA. DNA is wrapped in proteins to form a chromosome".

<h3>Explanation:</h3>
  • A gene is the part of DNA in the nucleus which encodes for the specific trait in the body. DNA is the nucleotide sequence which is the blue print for the whole organism. It contains genes for all the structures and functions in the body.
  • So it is very long sequence containing the million of genes. So in nucleus it is present in compress form. It is wrapped on the histones proteins and condense and supersondense into a specific structure which is known as chromosome.
8 0
3 years ago
Read 2 more answers
if a number cube is tossed once which of these is the most likely outcome one, 3, a number greater than 1, or number less than 3
Naddik [55]
A greater more than 3 because in a cube there are 6 numbers  1,2,3,4,5,6
Then it is not equal to have 1 greater than a tree has four numbers and less than three has 2. So more likely, Greater than three.
3 0
3 years ago
Which is a characteristic of the littoral zone of lake erie?
Lostsunrise [7]

<span>Wide variety of fish species.  It always includes this intertidal zone and is sometimes used to mean the same as the intertidal zone. Though, the meaning of "littoral zone" can be overall well beyond the intertidal zone. The littoral zone is the same as a sea, lake or river that is close to the shore. In coastal environments the littoral zone extends from the high water mark, which is very rare inundated, to shoreline areas that are permanently submerged.</span>

5 0
3 years ago
How many cells are in the human body?
fenix001 [56]
Answer: 37.2 trillion cells
5 0
3 years ago
The Food and Drug Administration has legal oversight over most food products and permits some health claims on food labels. The
Igoryamba

Answer:

  1. Reduced risk of neural tube defects- <u>diet adequate in synthetic form of folate </u>
  2. Reduced risk of hypertension and stroke- <u>diet low in sodium and high in potassium </u>
  3. Reduced risk of cardiovascular disease- <u>fatty acids from oils present in fish </u>
  4. Reduced risk of some types of cancer- <u>diet rich in fiber</u>

Explanation:

As you may already know, the adequate intake of certain nutrients is very beneficial to our body and to improve and maintain our health. That's because these nutrients act in the construction of essential molecules to keep our body functioning in a healthy and adequate way. Among the numerous nutrients necessary for our health, we can mention that the adequate intake of folate has the ability to reduce the creation of possible defects in the neural tube, while a diet rich in potassium can reduce the risks of hypertension, especially if accompanied by a low sodium diet. Following this same reasoning, a diet rich in fiber can reduce the risk of cancer, in addition to promoting good bowel function. Last but not least, a diet rich in fatty acids from fish can reduce cardiovascular disease.

7 0
2 years ago
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