The amino acids in the keratin protein of a hair strand are joined to form

Apiece of metal with a length of 1.42 cm was measured using four different instruments. which of the following measurements is the most accurate?

When a scientific theory has been tested and proved by the scientific community, it becomes a law

Astable electron arrangement for an atom is one that does not easily change. how is this arrangement arrived at? a. valence electrons are transferred or shared to create a full outer shell of electrons. b. valence electrons are discarded into space to create a full outer shell of electrons. c. protons (positive charge) pair with valence electrons (negative charge) to create a strong bond. d. outer shells with valence electrons are transferred or shared.