Identify the flaw in the way that Maria set up her experiment

Which of the following best describes the formation of plasma?

Which of these would be caused by a chemical change? a) the formation of lava. b) sedimantary rock layering over time. c) metamorphic rock forming from igneous. d) metamorphic rock eroding to form sedimentary rock.

Electrons are extremely important to what area of technology? a) anti-aging research b) household product development c) electronics d) drug discovery