BRAINLIEST PLZ HELP Write a paper using correct writing techniques to correctly identify similarities and differences shared by the inner planets and the outer planets.

Match the following terms describing electrical events with the correct phases of the cardiac cycle. the ventricular muscle cells depolarize at the start of this phase. during this phase, na+ entry through the funny channels causes the pacemaker potential of sa nodal cells to gradually become less negative until it reaches threshold. the ventricular muscle cells repolarize right before this phase. the cytosolic concentration of calcium in the contractile cells of the ventricle is highest during this phase. a. isovolumetric relaxation b. ventricular ejection c. isovolumetric contraction d. ventricular filling

Are the earth's ocean floor and continents the same age geologically? why or why not?

When lactate builds up in a runners muscles it causes a burning sensation what causes this to occur