Nerve cells is the correct answer :)
The answer is...
<u>Closed</u> ecosystems do not experience any new input or output of energy and/or material.
I hope this helps! :)
Decreases.
When a light bulb is switched on, energy is being produced and so is heat, so the temperature would rise.
However when a light bulb is switched off, no energy is being produced and neither is heat, so the temperature would decrease.
Cold Southern Oceans like the Pacific, Atlantic, Indian, etc. are collecting CO2 from the air!
Wind, deflection, depending on how hard you hit it, theres three