Lower ionization energy means that it is easier or harder to remove an electron

Chlorophyll a had the molecular formula c55h72mgn4o5 how many atoms are in this molecule

What is formed when amino acids form long chains or polymerize

What is the body’s main processing system? it uses input from various parts to control voluntary and involutiontary movement. it’s composed of two main parts-the brain and spinal cord. a. nbs b.cns c. ans d. pns