Which of the following best describes earth tectonic plates ? A. they move away from each other

B They move because of convection currents in the mantle

C. They collide at the mid ocean ridge

D. They form subduction zones

What is the percentage composition of carbon in the compound ch4

When electrolyzing copper (ll) chloride, what reaction takes place at the anode? what reaction takes place at the cathode?

Click the button that shows the correct relationship of the electron affinities of the elements sodium and phosphorus. sodium’s electron affinity value is more negative than the electron affinity value of phosphorus. phosphorus’ electron affinity value is more negative than the electron affinity value of sodium. this information cannot be determined using the periodic table. answer is b on e2020.