Carpet asorbs sound, so glass should make it echo.
D. There are two phosphate ions in a molecule of magnesium phosphate
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>
<span>b.) Add heat to increase the molecular motion of the atoms</span>
