The change in isotopes over time due to the emission of radioactive particles is known as
a. radioactive decay.
b. half-life.
c. radiometric dating.
d. absolute-age dating.

Ameter stick is pivoted at the 0.50-m line. a 3.0-kg object is hung from the 0.15-m line. where should a 5.0-kg object be hung to achieve equilibrium (the meter stick oriented horizontal and motionless)?

The difference between a red shift and a blue shift has to do with wavelength frequency. t or f

You can decrease the resistance of a length of wire by