swimming uses mechanical energy, but it also takes chemical energy from food that you eat to give you the energy to swim.
they use energy by jumping and swimming
by swimming
by swimming or escaping from predators
earth uses all energy. there are many types of energy we use for different types of things. there is over 100 types of energy.
Most of their energy is used swimming around looking for food.
After a while of swimming, your muscles use lactic acid. It uses it through Lactic acid fermentation. It results in more energy.
the planet Saturn has energy wind energy.
Chemical energy and electrical energy are the most widely used energy forms.
electric energy
120MW
batteries
It is used for emergencies when you run out of energy. I do this all of the time.