An elderly woman in a nursing home no longer goes outside to enjoy the sunshine and fresh air, has reduced her meat intake because her dentures don't fit well, and has recently been having difficulty concentrating on conversations with others. this may be leading to a deficiency of which vitamins? vitamin d and vitamin b12 vitamin a and folate vitamin c and thiamin vitamin k and riboflavin

Vitamin D and vitamin B12

Explanation:

Vitamin D is very important for the body as it helps in the calcium absorption by the body. The body should be in regular exposure with sun.

Vitamin B12 is mostly found in meats and non vegetarian foods. Not taking meat because of any reason will affect the brain and body.

Due to the deficiency of vitamin B12 and Vitamin D, elderly women is having difficulty in concentrating on conversations.

clumped distribution, because you'de have all of the population gathered in a relatively small are.

it's the most common because it provides protection and a mate for reproduction

example: humans, seeweed, cattles, etc.

the backbone of the dna and rna compound is sugar phosphate.