Answer: Metal Detectors
Explanation: Metal detectors are inexpensive and easy to use equipment used to discover relics of the past. While it is useful in archaeology as a tool that discovers objects from the past quite easily, it is also a threat to archaeology. Some hobbyists and looters who come across archaeological finds which may be important to understanding past civilizations or a different era do not report these finds. Even worse, some looters knowingly infringe on archaeological sites and are aided by the metal detectors.
Answer:
Solar flare
Explanation:
A solar flare is an outburst of solar radiation from the surface of the sun outward. This leads to increase in heat intensity and brightness around sun.
The flare is often accompanied by the ejection of electromagnetic radiations from the surface of the star into the stellar space. It can last from a few minutes to some hours.
I personally believe that the right answer is C. Other overpopulation results in more living organisms, and since the pollution has intoxicated the living, they die releasing the carbon into the soil. So there is high amounts of carbon and less of the organic compounds because the overdose on carbon.
Three-fourths of the over 500,000 lakes in Europe are found in "c. Norway, Sweden, Finland, and Russia," since these areas have the most access to the Norwegian Sea.