Which is the best explanation for a convection current in the atmosphere? Hot air expands and rises to the top of the atmosphere, while the cool air stays

Hot air expands and rides becoming cooler and denser, then falling again in a

Cold air expands and rises, becoming warmer and contracting, then falling again

in a continuous cycle.

Cold light air rises in the atmosphere, while the warmer air stays near the

ground

Acodon consists of bases and specifies which will be inserted into the polypeptide chain.

What is phosphorylation? the conversion of phosphate into another molecule the removal of a phosphate group from a molecule the conversion of a molecule into phosphate the addition of a phosphate group to a molecule

The table below describes geological events. event boundary where they occur convergent divergent transform a yes no no b yes yes no which statement is most likely correct? answers: 1). event a represents earthquakes and event b represents the formation of ocean basins. 2.) event a represents the formation of ocean basins and event b represents earthquakes. 3.) event a represents volcanic eruption and event b represents the creation of mountain ranges. 4.) event a represents the creation of mountain ranges and event b represents volcanic eruption.