Answer:
geometric grid system
Explanation:
Guptas' period in India is considered as the Indian Golden Age, and was characterized by many sociocultural and scientific advancement.
Some of the scientific advancement of that period includes:
1. Discovery of the seven planets in the solar system.
2. Creation of technology that can detect eclipses of the sun and moon.
3. Discovery of Earth rotation on an axis and revolution round the sun.
Hence, the technological advancement originated during the Gupta period in India is GEOMETRIC GRID SYSTEM.
Answer: railway building was a priority in the South during and after Reconstruction
Explanation:
One defining characteristic of the Era of Good Feelings was the industry. People began to work in factories as well as produce steamboats, engines, etc.
The correct answer is A. In the Old Stone Age
Explanation:
The Homo habilis was a species of hominid that preceded the Homo Sapiens (modern humans); this specie originated around 2.3 million years ago and lived in groups. Besides this, the Homo habilis was one of the first species to create tools using stone; indeed, it was found Homo habilis selected and cut stones to use these to cut meat or even plants. This important technological advance occurred during the Old Stone Age or Early Stone Age, which refers to the first period in which hominids created stones that occurred between 2.6 million years ago and 10,000 years ago. Thus, the Homo habilis first began using tools in the Old Stone Age.
Answer:
1st Lt James Harold Doolittle made another milestone flight on 24 September 1929. His milestone was the first successful blind flight—the act of taking off and landing relying solely on instruments inside the cockpit for guidance. He took off, flew five miles, and landed safely—all without looking out of the plane.
Explanation: