In the picture, the candle is melting
What type of reaction is occurring in the candle above?

Only an exothermic reaction.

Both exothermic and endothermic reactions.

Only an endothermic reaction.

Only a physical reaction.

Look at the spectrums of a star moving towards earth and a motionless star. which of these is a correct inference that can be draw from the observation of the two spectrums? (2 points) the spectrum of a motionless star is difficult to be viewed separately using oridinary telescopes. the spectrum of a motionless star is identical to the spectrum of a star which moves towards earth. the spectrum of a star shifts towards the red region when the star moves towards earth. the spectrum of a star shifts towards the blue region when the star moves towards earth.

Ais a mountain created from eruptions of lava, ash, rocks, and hot gases.

Which of the following units is not an official si unit? mole liter kilogram ampere