It helps us to use other resources such as Fossil Fuels to get energy. To get energy from them you have to burn them, which releases Carbon Dioxide when burned, which is bad for the atmosphere; CO2 (carbon dioxide) in the air is the main reasoned for global warming
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Mobile phones communicate bytransmitting radio waves through a network of fixed antennas called base stations. Radiofrequency waves are electromagnetic fields, and unlike ionizing radiation such as X-rays or gamma rays, can neither break chemical bonds nor cause ionization in the human body.
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Mutation is any change in DNA sequence of an organism. Mutantion can occur in any living organism including plants, animals, fungi, bacteria and protists.
Explanation:
You could say that that is the way we get oxygen to our body and how the 2 veins: the blue and red veins let our body get oxygen that pur body need to keep every organisms in our body to work