Answer:
Thomas Edison invented the incandescent light bulb
Answer:
Search for new land and resources
Explanation:
the first Americans were nomadic, meaning they often moved from place to place, and never stayed in a permanent location. Because they were hunters and gatherers, when there were no more resources in the location they were staying, they would move and travel elsewhere. Ultimately, this led them to America, a continent that was not yet discovered or explored.
D) Great britain was weakened by WW2
A mixture of the primary colors of pigments - black
a mixture of primary colors of light- white
highness or lowness of sound- pitch
visible white light seperated into colors- the visible light spectrum
all of the visible and invisible radiations- the electromagnetic spectrum
hope I helped you!!!
