Answer:
The energy an object had due to its motion. What factors affect an objects kinetic energy and potential energy? The kinetic energy of an object depends on both its mass and its speed. Kinetic energy increased as mass and speed are increased.
Answer:
Most amphibians can breathe both through cutaneous respiration (through their skin) and buccal pumping - though some also retain gills as adults. Some aquatic salamanders (and all tadpoles) have gills and can breathe underwater thanks to them. The Mexican axolotl, for example, never loses its gills.
The mitochondria is the powerhouse of the cell because it produces ATP, which is energy.
