Leukippus, Democritus, Dalton, Bohr, Rutherford, Thomson and many others.
three scientific contributations
a theory which is made by observation
you
cell theory
The Gupta Invented numbers 1-9 and the number 0. They were the first people to start the teary that earth is not flat.
The Babylonians made distinct contributions to the growth of civilization. They added to the knowledge of astronomy, advanced the knowledge of mathematics, and built the first great capital…ancient civilizationHammurabi produces the world's first written set of laws. There were 282 in total.
His theory was that all plant parts are made of cells.
the cell theory
The frozen plasticity theory is made by alan guth
Schleiden & Shwann
A theory will have to be given up when some observation is made within the scope of the theory that contradicts the theory. A new logical theory which encompasses or accounts for all observations made till date within its scope will have to be formulated.
cell theory