Cassie's older sister is really good at gymnastics, so Cassie knows she will never be as good. Whenever she goes to gymnastics practice, Cassie tries to hide in the back. Everyone else has already moved on to new tricks, but Cassie plays it safe by practicing the tricks she already knows how to do. Cassie is using a Fixed Mindset about gymnastics. Which one of these beliefs shows her Fixed Mindset?

Which statement describes both homogeneous mixtures and heterogeneous mixtures?

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.

Calculate the energy required to ionize a hydrogen atom to an excited state where the electron is initially in the n = 5 energy level. report your answer in kilojoules