Which is another way of saying the law of conservation of mass? The mass of the reactants always equals the mass of the products.
Matter cannot be created or destroyed.
the law of conservation of matter
all of the above

Choose the most likely outcome of this scenario: jen decided to go bike riding without a helmet. while no one is around during her ride, she is thrown from her bike when her wheel goes into a pothole. she is not injured, but she is terrified to get back on her bike. what happens next? a. her physical health is affected even though she wasn't hurt. b. her mental and emotional health are affected because she is afraid to get back on her bike. c. her social health is affected because she is worried her friends saw the fall. d. her overall health is not affected at all by her fall.

J. j. thomson’s experiment disproved the theory that an atom

The diagram shows an example of convection. which label belongs on the arrow? a) warmer water sinks b) warmer water rises c) cooler water sinks d) cooler water rises