<span>The PCl3F2 and PF5 have no dipole moment. In PF5 the 5 polar bonds cancel out. In PCI3F2 the 3 CI atoms make a triangle and the angle between them is 120 and they cancel out. the 2 F atoms each go to a side of this triangle and make vertical line to the surface of Chlorines because F is more electronegative and smaller.</span>
Ground water contaminants, like methane, arsenic, and salt may occur naturally in ground water. Ground water accounts for 95% of the liquid freshwater on Earth, but having enough accessible ground water can be a problem. Ground water typically moves slowly within the ground through porous rock layers like the sandstone.
Answer: True
Explanation: Neptune has a volume of 6.3 x 10^13 cubic kilometers, which is equal to about 57 Earths. Even though Neptune's volume is much greater than the Earth's is, the gravity on Neptune is only about 14% greater than it is on Earth. This is due to the gas giant's small mass
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Answer:
Effects of CHD
Explanation:
With less blood flow, your heart doesn't get the oxygen it needs, and that can cause chest pain, called angina, especially when you exercise or do heavy labor It also can affect how well your heart pumps and make the rest of your body short on oxygen, too.
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