Formation of a new substance is a sign of a change.
A)
Physical
B)
Chemical
Kinetic
D)
Electrical

Which statement is true regarding the diagram of circle p? the sum of y and z must be 2x. the sum of y and z must be x. the difference of z and y must be 2x. the difference of z and y must be x

Abaker touches a pie right after taking it out of the oven. which statement best explains why the pie feels hot?

Express your answer using two significant figures. 1.7 km^2