Gina designed a model to show the steps in the nebular theory of formation of planetary systems. which of these diagrams best represents the third step of gina's model?
A.) condensation and contraction of cloud do to gravity

B.) rotation of cloud of gas and dust

C.) formation of planet

D.) fusion of gas and dust at the center to form the sun

Llama have 74 chromosomes how many chromosomes will they be found in their gametes explain how you know

Which description best characterization the motion of particles in a solid

Which of the following statements is true about energy quantization at the atomic level? electrons in the outermost orbits are the most stable. electrons in all the orbits around the nucleus have the same amount of energy. electrons in the orbit closest to the nucleus have the least amount of energy. electrons absorb or release the same amount of energy independent of the energy levels.