I believe a pot of water that is being heated by a electric burner. This is because the warmer water moves to the top and the cooler water moves down to the bottom of the pot. This causes a circular motion. The next example of convection heat is a hot air ballon rising and falling in the atmosphere. A radiator is also because the hot air is drawn out the top and the cooler air is drawn to the bottom.
Answer:
It's estimated 3.0(10^12)
Answer:
outside of the cell do to the concentration gradient
Explanation:
Much less energy is released during anaerobic respiration than during aerobic respiration. That is because the breakdown of glucose is incomplete. Anaerobic respiration produces an oxygen debt. This is the amount of oxygen needed to oxidise lactic acid to carbon dioxide water.
Answer: C. Break chemical bonds between the elements
Explanation: Molecules are chemically combined and cannot be separated by physical means. Therefore, cut it and smash it with a hammer do not apply.