When do homologous chromosomes separate during meiosis?

Sara goes on a slingshot ride in an amusement park. she is strapped into a spherical ball that has a radius 3*10^2 of centimeters. what is the volume of air in the spherical ball? use this formula: volume of a sphere=4/3pi,r^3 , where r is the sphere’s radius.

In general, characteristics that an organism survive and reproduce become more common over time. what mechanism of evolution causes this?

In the respiration-photosynthesis cycle shown above, what are the products of cellular respiration that belong in box 2?