The heart is a hollow cone shaped muscular pump within the thoracic cavity
Batteries cause problems in all BUT one way. That is
radiation. If batteries come to its expiration date, its chemicals, especially
the harmful ones will spread in the atmosphere and create pollution to its
environment. That is the reason why it is wrong to dispose batteries
everywhere.
Answer:
The number of bonds for a neutral atom is equal to the number of electrons in the full valence shell (2 or 8 electrons) minus the number of valence electrons. This method works because each covalent bond that an atom forms adds another electron to an atoms valence shell without changing its charge.
Estrogen and progesterone are produced in the ovaries.