Which statement correctly defines power

Power is being strong in the mind and soul (and strength helps too) :D

The ability to do something or act in a particular way, especially as a faculty or quality.

"The power of speech"

if the thermos has a vacuum innner, then heat through conv currents and conduction are reduced = vacuum flask

laticia draws the diagram below to show earth’s magnetic field.

answer

the arrows to the right of earth should point up.