what are two areas in which the reaction you perfoemd did not adhere to the principles of green chemistry

Achange in the number of neutrons in an atom will change an blank . when the number of protons changes in an atom, a new element will form.

The big bang nucleosynthesis theory states that elements were produced in the first few minutes of the big bang while elements have their origins in the interiors of stars, forming much later in the history of the universe.

This chart lists four kinds of polymers and their sources. what can be known about all four polymers, despite their differences? they come from living things. they share ionic carbon bonds. they are at least 100 monomers long. they are made of repeating subunits.