D) hippos and whales evolved from a common ancestor.
The direction of energy is hot to cold. So Joey’s thermal energy is moving from him to the water with convection.
A valence electron is a negatively charged particle, located in the outermost shell of an atom, that can be transferred to or shared with another atom.
Option A.
Most of the people with sicken multiple sclerosis have experienced vision difficulties. A vision problem is often one of the first symptoms of relapsing multiple sclerosis. It is a disease of the central nervous system which includes the optic nerve. Optic nerve transmits light and visual images to the brain. An inflammation of the optic nerve may cause a sudden loss of vision.
