I hope youll had a good chrismas :)

What statement is true about all chemical changes? a) chemical changes can be undone. b) chemical changes cannot be reversed. c) chemical changes change the color of objects. eliminate d) chemical changes do not form new products.

If pressure and temperature remain constant, will the volume of gas in the respirometers increase or decrease?

Question 2(multiple choice worth 10 points) kate’s mom wants to quiz her on science terms even though kate has already studied. this is an example of wasting talent getting distracted allowing others to set goals