Explanation:
scientific laws are totally fixed.
sciebtific theories are not totally accurate.
Answer:
Friction is a force tends to oppose relative motion between bodies when they are in direct contact. Remember this friction does not oppose motion, it opposes relative motion.
Explanation:
The innermost electron of an atom has the lowest level of energy while the outermost electron has the highest level of energy.
There are different energy levels in the atoms of elements, for an atom to go into an higher level it has to obtain more energy and to go to lower level it has to lose energy.<span />
The color for the moon is gray because if you would look outside when it is dark you would see the moon cloor gray