While playing outside in the snow, a snowflake falls on Timothy's nose and melts. He exclaims, "The snowflake kissed me!" This is an example of

Which of the following statements is a possible explanation for greater brain activity in older adults?

Older adults compensate for losses by using more parts of their brains. Older adults have increased brain reserves. Older adults use only one hemisphere of the brain. The processing speed of older adults increases.

Our diets have changed through the years. How does this contribute to obesity problems?

What will be an ideal response?