__ are the most noticeable changes in physical appearance in late adulthood. A Loss of hair and brittle nails B Osteoporosis and osteoarthritis C Reduction in height and weight D ) Wrinkles and age spots

## Step 1<br />The question is asking about the most noticeable changes in physical appearance in late adulthood. The options provided are:<br />A) Loss of hair and brittle nails<br />B) Osteoporosis and osteoarthritis<br />C) Reduction in height and weight<br />D) Wrinkles and age spots<br /><br />## Step 2<br />We need to identify which of these options are physical changes that are most noticeable in late adulthood.<br /><br />## Step 3<br />Option A, loss of hair and brittle nails, are indeed changes that occur in late adulthood, but they are not the most noticeable.<br /><br />## Step 4<br />Option B, osteoporosis and osteoarthritis, are conditions that can occur in late adulthood, but they are not physical changes that are most noticeable.<br /><br />## Step 5<br />Option C, reduction in height and weight, can occur in late adulthood, but again, they are not the most noticeable changes.<br /><br />## Step 6<br />Option D, wrinkles and age spots, are physical changes that are most noticeable in late adulthood. They are visible changes that are often associated with aging.