True!
With all of the new tech we are currently in it would be possible for someone to crated tech that support telephone service.
Answer:
The biggest disadvantage of coal is that it will one day run out with how fast the economy is using it today. It also creates carbon dioxide, which is hard to breath and also clogs up the atmosphere, making it thicker and trapping more heat. a better alternative is wind, solar, and water energy. these are clean, electronic ways to power and save our world
Explanation:
Answer:
SOME can be believeable bc these experiments are conducted by scientists who have probably been studying the topic they are working on for years. Another reason is that these scientists use accurate tools to help them solve the exp.
Explanation:
The inhalation of mercury vapor can produce harmful effects on the nervous, digestive and immune systems, lungs and kidneys, and may be fatal. Mild, sub-clinical signs of central nervous system toxicity can be seen in workers exposed to an elemental mercury level in the air of 20 μg/m3 or more for several years.