Advances in DNA technology are assisting the work of those in the medical fields in several following ways: 1) Recombinant DNA technology, gene therapy, and genetic modifications used for bioremediation. 2) Gene therapy is used to treat many genetic disease.

An incident ray through the focal point of a spherical mirror will: reflect through the center of curvature. reflect back through the focal point. reflect parallel to the principle axis. reflect the same direction as the incident ray.

Henry, whose mass is 95 kg, stands on a bathroom scale in an elevator. the scale reads 830 n for the first 2.4 s after the elevator starts moving, then 930 n for the next 2.4 s. part a what is the elevator's speed 4.8 s after starting? express your answer with the appropriate units.

The ozone hole appears in antarctica during