is the relatively unchanging pressure in a filling stomach is due to the contraction of the stomach oblique muscle layer.

The proton has a positive charge while the neutron has no charge they both make up the nucleus of the atom while the elections have a negative charge and surround the nucleus of the atom. the protons and electrons are used to calculate the atom's mass whereas the neutrons don't affect the mass

Cis the

Since we don't see a strand; i got answers off a sheet and the correct answer is "2".