Which portion of the diagram below shows the process responsible for the movement of tectonic plates? a. ocean movement
b. crust movement
c. plate movement
d. mantle movement

Which notation is used to represent an alpha particle? a. b. c. d.

Why is it important always to use horizontal bars in unit fractions when performing unit conversions?

The magnitude of the amount of energy released by burning a fuel source, measured in energy per unit mass, is called its fuel value. note that the fuel value is the negative of the isobaric specific heat of combustion for the fuel. if all the energy obtained from burning 1.23 pounds of butane with a fuel value of 10.85 kcal/g is used to heat 128.0 kg of water at an initial temperature of 18.3 °c, what is the final temperature? note that 1 lb = 453.6 g.