Which statement best describes energy in a system? The total energy of a system is always slowly decreasing
The total energy of a system is always slowly increasing
Energy is always changing in ways that are unpredictable
Energy cannot be created or destroyed only transferred or converted

the pic attached shows the stages of mitosis. hope it !

meteorologists would compare a new weather map with one 24 h old to see how fast a front is moving.

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what do the different brain waves do?

explanation:

brainwaves are produced by synchronised electrical pulses from masses of neurons communicating with each other. brainwaves are detected using sensors placed on the scalp. brainwave speed is measured in hertz (cycles per second) and they are divided into bands delineating slow, moderate, and fast waves.

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