Answer and Explanation:
Number 20 is correct. When something using oxygen, it is aerobic.
For number 21, the answer would be anaerobic. When things doesn't have oxygen, it is anaerobic.
<u><em>#teamtrees #PAW (Plant And Water)</em></u>
I think the answer is measles vaccine.
People with dementia tend to become aggressive and have catastrophic reactions for a number of things, it could be that they simply may not be feeling well or might be feeling rushed or confused. Many times people with dementia may be unable to recognise their own needs, how to achieve them, or to let other people know what it is that they need. This usually causes them to act in ways that others might find challenging, including aggressively.