Chromosomes are attached to the spindle fibers during

Chromosomes are attached to the spindle fibers during metaphase. The spindle fibers are structures important for equal division of chromosomes during cell division. They form in the metaphase when homologous pairs of chromosomes are lined up along the centre of the cell. At this phase, chromosomes are attached to the spindle fibers.

The speed of  sound:   sound travels  at different speeds depending on what it istraveling through. of the three mediums (gas, liquid, and solid)  sound waves travel the slowest through  gases, faster  through  liquids, and fastest  through  solids.