Answer:
It occurs to create innovation in the existing technology.
Explanation:
A technological advancement is an attempt to develop current materials, devices, products or processes by further understanding of science. technological advancement provides innovations of existing technology or formation of new technology in order to better the life style and make easier our work. If the technological advancement did not occur, we are unable to increase efficiency of various instruments and machines.
Answer:
To move in a circular or curving course or orbit: The earth revolves around the sun. to turn around or rotate, as on an axis: The wheel revolves slowly.
Explanation:
The two substances needed in this situation are:
potato extract and catechol<span />
<span>The theory of plate tectonics helps to explain the </span>formation of the earthquakes.
