If you need to date a rock sample from a layer of strata from 500 ka, which isotopic dating method should you use? Question 4 options:

Potassium-argon dating

Strontium-rubidium dating

Carbon-nitrogen dating

Uranium-lead dating

Which terms describe the purpose of antennas on devices that use radio waves? transmit and receivemodify and amplifyamplify and receivemodify and transmit

In what direction does an applied force move an object

Which best describes the first law of thermodynamics as compared to the second law of thermodynamics? a. the first law describes how thermal energy is conserved but not the direction it moves. b. the first law describes the direction thermal energy moves but not how it is conserved. c. the first law describes how thermal energy can be created but not how it can be destroyed. d. the first law describes how thermal energy can be destroyed but not how it can be created.