. Select one of the principles of green chemistry. Explain in your own words how this principle shifts chemistry toward more environmentally conscious practices. How is this relevant to considering the benefits and risks when making decisions about which of two (or more) possible chemical processes is better

i think it is d. e because the next one is igneous.

answer: c. the experiment shows that the red substance experienced a chemical change.

explanation: chemical change is the change in which chemical composition of the substance changes. physical change is the change in which there is no change in chemical composition.

chemical changes are accompanied by following changes:

a) precipitate formation

b) energy is released or absorbed

c) formation of bubbles

d) change in color

as it is given that the red color has disappeared and there is production of gas, it means the red substance has undergone a chemical change.

e