Answer:
The technological changes included the following: (1) the use of new basic materials, chiefly iron and steel, (2) the use of new energy sources, including both fuels and motive power, such as coal, the steam engine, electricity, petroleum, and the internal-combustion engine, (3) the invention of new machines
Answer:
in 1959, Leakey was working in the famous site Olduvai Gorge in Tarzania when she discovered an approximately 1.75 million year old fossil skull of a new.
-Mary Leakey developed a system for classifying the stone tools found at Olduvai. she discovered the Laetoli footprints, and at the Laetoli site she discovered hominin fossils that were more than 3.75 million years old. During her career, Leakey discovered fifteen new species of animals.
2. Lucy was named after the Beatles' song "Lucy in the sky with diamonds" a huge beatles fan, johanson had the whole camp of scientist listening to the bank during their archaeological specition. when "Lucy in the sky with diamonda" played. inspiration sparked.
3. Archeologists investigate historic and prehistoric sites and physical remains to undestand human links to the past and to preserve past culture. before, during and after the dig, the archaeologist records notes, images, soil samples, maps, measurements, and other information about the archaeological site.
Answer:
A.
Explanation:
Sparta was a strictly military based society while Athens was about learning and the arts.
Answer:
solids- stomping foot
liquid-wiggling
gas-jumping
Explanation:
don't ask just make me brainliest
