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scZoUnD [109]
3 years ago
14

What could be a cause of melanoma?

Biology
1 answer:
Alik [6]3 years ago
5 0
<span>Causes Of Melanoma. Ultraviolet rays Most skin cancers are caused by too much exposure to the sun's ultraviolet (UV) rays. The two types of UV rays that cause melanoma are UV-A and UV-B rays.</span>
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What molecule is our Genetic Code made of?
icang [17]

Explanation:

deoxyribonucleic acid (DNA)

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2 years ago
Someone plzzz help with this question
Vlad [161]

Answer:

Ion

Explanation:

An Ion is exactly as stated it bears either a positive or negative charge.

7 0
3 years ago
What structure keeps harmful chemicals out of animal cells?
Charra [1.4K]

Cell membrane protects animals cells from harmful chemicals.

Explanation:

The cell membrane is a tough covering composed of the phospholipids and proteins and forms a bilayer around the cells. This acts as a semi-permeable membrane and controls the transport of ions, organic molecules and solutes to and from the cell through selective permeability.

The hydrophilic and hydrophobic properties and the corresponding polarity of the cell membrane and ionization status of the chemicals prevent the entry of harmful substances into the cell. The cell membrane functions as a barrier system and prevents the flow.

4 0
3 years ago
Scientists have observed that pythons have vestigial leg bones. They have also observed that snakes in general have more DNA seq
hichkok12 [17]
The answer is <span>They both suggest that snakes evolved from an ancestor with legs.

The second choice is not correct since we have no information about pythons and other snakes. We only have the relationship between geckos, snakes and legless eels. So, it is said that </span><span>snakes in general have more DNA sequences in common with four-legged geckos than they do with legless eels. This means that snakes are closer to geckos than the legless eels. We cannot conclude from this information which evolved from which, but we can say that </span><span>snakes evolved from an ancestor with legs.
In different case, if the snakes had more DNA sequence in common with legless eels, we would conclude that the snakes evolved from an ancestor without legs.</span>
4 0
3 years ago
What were some of the pollutants named in the article and what are they used for?
Alex
I don't see your article, but one pollutant, CFC, is used in refrigerators and aerosols.  Please mark Brainliest!!!
5 0
3 years ago
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