Answer:
Gene therapy replaces a faulty gene or adds a new gene in an attempt to cure disease or improve your body's ability to fight disease. Gene therapy holds promise for treating a wide range of diseases, such as cancer, cystic fibrosis, heart disease, diabetes, hemophilia and AIDS.
Explanation:
Ptolemy could not explain * Retrograde motion of the planets* with out epicycles and deferents.
I’m pretty sure it’s physical
<span>Ocean currents bring nutrient-rich water into coastal regions.</span>