Just beneath the sun’s visible surface, called the photosphere, is a zone where energy is transported by the rising of hot gas and the falling of cool gas. The tops of these circulation cells account for the grainy appearance of the photosphere. What heat transfer process is occurring in this zone? A Radiation B Conduction C Induction D Convection

you go to your settings preference and in the end youll see sth that says "i want to delete my acc" click on it and u'll acc will be deleted but u have to wait.

the motion of a pendulum is a classic example of mechanical energy conservation. a pendulum consists of a mass (known as a bob ) attached by a string to a pivot point. as the pendulum moves it sweeps out a circular arc, moving back and forth in a periodic fashion.