What is the term for visual representation of data
a. extrapolation
b. graph
c. interpolation
d. correlation

Convection currents are caused by differences in what two things?

During a car accident, a 125kg driver is moving at 31m/s and in 1.5s is brought to rest by an inflating air bag. what is the magnitude of the change in momentum to the driver

Definition: this is the weighted average of all of the isotopes of an element.