Answer:
if u want someone to answer you have to break it down... i had a stroke reading this
Explanation:
Answer:
Telephone, internal combustion engine, and electrical light
Explanation:
telephone: it allowed for instant communication, communication by voice, and it paved the way for future inovations in telephone technology.
engine: it was powered by gas and air, which made it impractical for widespread public use.
light: Electric lights allowed factories to stay open longer and produce more goods.
Hope this helps dude!
Coal-burning factories and increased automobile usage has caused the greatest increase in "<span>A) air pollution," since in fact coal when burned is one of the worst pollutants. </span>
The Stone Age is divided in three distinct periods: the Paleolithic Period or Old Stone Age (30,000 BCE–10,000 BCE), the Mesolithic Period or Middle Stone Age (10,000 BCE–8,000 BCE), and the Neolithic Period or New Stone Age (8,000 BCE–3,000 BCE).
Deberían ser una imagen adjunta a tu pregunta o no?