The double bubble sign on ultrasound is a sign for duodenal atresia which is associated with Down Syndrome.
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Can you add the pictures and answer choices
Explanation:
Air pollution is usually with all the smoke from using fossil fuels, I would try not using them as much. Water pollution is usually from oil spills and garbage littered in water sources. Land pollution is a lot from landfills, we are using so much garbage it takes lots of landfills to hold them, I would start by recycling my recyclable products and using recycled products. {{{BTW this is not good 2 paragraphs, use more evidence and details and add more this is just some good ideas}}}
Just be friendly, kind, helpful and a good friend. This will build friendship leading to a person trusting you more. Maybe share a smallish secret with them as well.