So we can know what is in space maybe weird or interesting stuff
It's actually Friction.
I just did the test and got it right.
The voltage exists between the fence and the ground. The cow is grounded. The cow is touching the ground, completing the circuit of electricity. <span>When the cow comes into contact with the fence, it becomes an electric ground which sends an electric current into the cow, through the cow, and into the ground. The pain experienced from the shock is due to the current that flows through the cow.</span>
Keep cool by being active at night, whereas some other desert animals get away from the sun's heat by digging underground burrows.
Fruit flies prefer mates adapted to the same food source.