There are approximately 6 million people living with Alzheimer's in America. It is thought that Alzheimer's can be caused by incorrectly formed proteins. Use what we know about proteins/DNA to explain how mutations and changes in DNA can lead to Alzheirmer's. Can Alzheirmers be passed down through genetics? How so? Must answer in approximately 5-6 sentences in order to receive full credit. plz help​

Wetlands form where water and land meet. a lake with a wetland fringe can fill in with decayed plant and animal material to become a wet meadow. a pond can fill in to become a bog or fen. sediment can fill in a river marsh to become a swamp.flooding of coastal lowlands from rising sea levels has created broad coastal marshes that are protected from wave action by barrier islands or reefs. coastal wetlands also form when rivers deposit sediment as they reach the ocean. plants then take root and hold the soil firm against the forces of tides and waves.

Ithink option a is correct because you cannot donate a different blood group than yours because it won't match.option a says betsy can donate to mark. they have the same blood group so donation can happen.