Question 6 of 10 Which two options describe physical properties of matter?
A. How easily a substance reacts with other substances
B. Whether a substance is acidic or basic
C. The color of the light that is reflected off a substance's surface
D. Whether a substance forms a patina
E. The amount of mass per unit volume
HELP ASAP HURRY !

When a bicycle coasts uphill, it moves slower and slower as it climbs. why? a. its kinetic energy is transforming into heat energy. b. its potential energy is transforming into kinetic energy. c. its kinetic energy is transforming into potential energy and heat energy. d. its potential energy is transforming into kinetic energy and heat energy.

Which governments provide garbage collection services to homes and businesses

Give one example to show that when substances are mixed,it may result in a chemical or a physical change depending on the conditions.