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Barium Sulfate.
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∙ 9y ago
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What substance doES not allow x-rays to pass through it?
Lead is most often used as an insulation for X-rays. It blocks X-rays. That is what is inside those blankets dentists put over you when they X-ray your teeth.
Why patients are given barium salt for stomach x rays?
Barium salt mainly Barium sulfate is good absorber of X-rays and help stomach to appear clear
What risks are dentist X-rays to pregnancy?
None if they use a vest on you. The vest contains lead which blocks all x-rays besides those aimed at your mouth.
Why do harmful x-rays and ultraviolet rays from the sun not harm us on earth?
X-rays and gamma rays from the sun are black by the atmosphere. The ozone layer partially blocks out ultraviolet rays, but some do get through, creating a risk of sunburn, skin cancer, and eye damage.
What blocks uv rays besides sunscreen?
Ozone layer blocks the UV rays. It does it in the ozone layer.
How does stratosphere affects life on Earth?
The stratosphere is the layer containing the O-zone which blocks out most of the ultraviolet ray or UV rays from entering the earth.
What does the ionosphere do?
blocks out Uv rays from the sun
What blocks the dangerous rays of the sun that cause skin cancer?
what blocks some of the dangerous rays that may cause skin cancer
What are supplemented in salt blocks as trace minerals?
salt blocks are made of salt (obviously) and salt makes a horse thirsty. This makes them drink more water.
How does ozone protect us from ultraviolet radiation?
Ozone blocks the UV rays. UV rays are harmful rays of the sun.
How do you protect ourselves from the harmful rays of the sun?
The Mesosphere blocks out most of them, and sunscreen blocks the rest out.
What blocks harmful UV rays in the stratosphere?
nothing
