Answer:
Hand dexterity that allowed humans to create changes to their environment. This included cooking food and creating complex tools. Cooked food provided much more and better protein at less work. This meant that humans could spend their time on things other than chewing food.
To punish colonists for Boston tea party
i think its d but i could be wrong
Answer:
Hope I could help xxxxx ;P
Explanation:
He invented the electric locomotive,phonograph,electric pen and copying system,stethoscope,improved the telephone and improved the stock ticker and most importantly he invented the electric light bulb. This is a picture of the great invention, the light bulb.