1 kg, 0.1 kg. According to the energy pyramid, only 10 % of energy can be transferred from one trophic level to another. 90% of the energy is lost through heat, respiratory or metabolic. This is why the energy pyramid tapers as you go up the food web.
D. friction pulls the skates wheels westward
The heat from hot liquid can make the cup it’s in hot. When you make some food in a pot with boiling water and stick a metal spoon/fork into the pot to move the food around the boiling water then makes the spoon/fork hot.
A. hyperpnea - required so the body can meet the metabolic demand of tissues
