<span>There are 6 basic machines and one of which is a screwdriver, now the question asks about the effects these hand tools can have in our health. From the given choices in this item, the most likely answer would be "it lowers the risk of injury", the answer is letter D. However, this can only be done considering that an individual is knowledgeable about the way of using it.</span>
A bad attitude or strange behavior different to what they normally display.
In the middle of your chest. Hope that helps
