I would recommend Dr. Christopher Leggett.
shut the frick up
Major industrial breakthroughs were made in chemistry and steel during the Second Industrial Revolution.
bolok...................................................
The earliest skyscrapers were the result of design breakthroughs and industrial technology in the late-1800s. These tall buildings were made of fire-proofed iron and set on deep foundations.
Pluto was discover in the 1930's along with the helicopter.
the microwave oven was invented in 1945 by Percy Spencer.
Skyscrapers
Albert Einstein made his most important scientific breakthroughs in the early 20th century, including the theory of general relativity in 1915 and the special theory of relativity in 1905. These breakthroughs revolutionized our understanding of the universe and laid the foundation for modern physics.
Major industrial breakthroughs were made in chemistry and steel during the Second Industrial Revolution.
Do you mean what words are made up from this root? cardiac, cardiology, cardiogram Or do you mean - what does this root mean? heart Hopes this helps.
Lenin made Russia a major power
Zoology has made numerous discoveries, including the identification of new species, advancements in understanding animal behavior, and breakthroughs in genetics and evolutionary studies. Researchers have also contributed to conservation efforts by discovering key habitats and creating strategies for species preservation.