Approximately, what is the frequency that allows us to hear our favorite sports on the radio?
a. 10^-1
b. 10^9
c. 10^8
d. 10^20
(^ means the number after is an exponent)

The diagram shows the layers of earth. convection currents in which region influence the movement of tectonic plates

Which phase of the cell cycle ensures that identical copies of the dna are made for daughter cells?

Which of these has happened to your food by the time it reaches your small intestine? a. all the macromolecules have been broken down completely. b. lipids and starches have been partially broken down. c. starches and proteins have been partially broken down. d. proteins and lipids have been broken down into subunits.