Achange in which factor will affect the rate of reaction only when gases are involved? temperature pressure surface area concentration

If cells in the process of dividing are subjected to colchicines, a drug that interferes with the functioning of the spindle fibers, at which stage will mitosis be arrested?

The diagram shows the layers of earth. convection currents in which region influence the movement of tectonic plates

Most crimes involve some evidence relating to the human body; for that reason, what related science is frequently used in forensic investigations? a)psychiatry b)physics c)botany d)biology