Dressing appropriately and making sure every presentation is in factual and relevant
Cereal companies are blamed for putting too much sugar into their products, which causes obesity. This is bad for them, as it would stop people from bying their products. So they would have an interest in study showing that this is not the case: the study would be a self-interest study (the correct answer) and therefore not be reliable
The upper body has the least and the feet have the highest
Different rock layers should be a correct answer. Hope this helps!
