Answer: Definition
Explanation: In science, the word 'theory' refers to the way in which people interpret facts. A scientific theory is the framework for observations and facts. Theories may change, the way in which they are interpreted may change, but the facts remain the same.
Yes, There is no spherical symmetry in biology. But is in Spherical
if you told me what process i could help you - post a new question and ill try to help you
Its protons because we know electrons= protons so its postive so a)
One type of density change is mass over volume.