A. university study
A study done by a university will include facts from professors and scientists, but these other options may not be facts from scientists and people who study that topic
The individual may forget what he or she was making a decision about which often leads to frustration in those diagnosed with dementia.
Lysosomes are organelles that contain digestive enzymes, (they digest worn out food, bacteria, organelles, among others).
A more simpler way:
Their function is to remove the waist, a very similar thing is our intestines!
HOPE THIS HELPED!
The answer would be: III. Many genes may be responsible for obesity so it is currently not possible to determine whether Doug is destined for obesity.
Answer I is a stretch, he might not become obese just because of his genetic mutation. Answer IV is completely irrational, and Answer II is too unsure to be able to say for certain.