What is the kinetic energy of the emitted electrons when cesium is exposed to UV rays of frequency 1.90×1015Hz ? Express your answer in joules to three significant figures.

Write the overall equation for the reaction for lithium battery

Which of the following two events occur to create a sea breeze? select all that apply. warm air rises on the ocean and moves toward the land to cool warm air rises on land and moves toward the ocean to cool cool air moves from the ocean to be warmed by the land cool air moves from the land to be warmed by the ocean

What are fossils of organisms that existed over a wide area but only for a limited time period called?