All organic compounds have carbon in common
I think its the left one (sorry if im wrong)
Answer: Polar molecules have an uneven distribution of electrons that cause one end of the molecule to have a positive charge and the other to have a negative charge. ... This means that in a polar bond, the electronegativity of the atoms will be different. For nonpolar bonds the electronegativity of the atoms will be equal.
Explanation:
Answer:
The answer is rhythmic contraction of the uterus wall.
Explanation:
this is because when muscle is overly used, it brings about contraction