En cada una de las filas horizontales debes eliminar una casilla que contiene dos letras y reordenar las restantes para formar el nombre de un elemento químico

Aplanet of mass m 6.75 x 1024 kg is orbiting in a circular path a star of mass m 2.75 x 1029 kg. the radius of the orbit is r 8.05 x107 km. what is the orbital period (in earth days) of the planet tplanet?

How would doubling the made of an object change the objects potential energy

The passing of heat through a material while the material itself stays in place. a. radiation b. conduction c. convection