A student investigates the potential and kinetic energy of a toy car as it travels down a track. The car begins at the top of the track, on the edge of the first hill, and the car moves forward when the student releases it. Use the dropdown menu to describe the energy of the toy car at different points along the track.

Whats one way that rocks do not follow the typical rock cycle pathway?

What are some natural processes that represent physical and chemical changes?

During crossing-over, a. genetic material is exchanged between nonsister chromatids, resulting in new combinations of alleles. b. nonsister chromatids from each homologous chromosome of a tetrad are exchanged, resulting in new combinations of alleles. c. one homologous chromosome of a tetrad is exchanged with another tetrad, resulting in new combinations of alleles. d. sister chromatids from each homologous chromosome of a tetrad are exchanged, resulting in new combinations of alleles. e. genetic material is exchanged between sister chromatids, resulting in new combinations of alleles.