Answer: We learn from people's mistakes and those in the past my inspire us to do great things
Explanation:
<span>The largest
experimental statistical study that has happened in the past and was conducted
for is the Public Health Service Experiment that has happened in the year 1954,
this experiment has been conducted because of the Salk Vaccine, which is also
known as the Polio Vaccine.</span>
Answer:
A-not-B error.
Explanation:
A-not-B error is shown by children under the age of one year, which is determined by their ability of object permanence (mental capacity to perceive objects in their mind). This error is reflected in the behavior of infants when an object is repetitively hidden at a particular position (A) but when it is replaced to a new position (B) infant still looks for the object at position (A).
When a nut or bolt is extremely tight, a lubricant is used so that the teeth in the ratchet head are not damaged.
<h3>What is a lubricant?</h3>
A lubricant refers to the oil that is applied on the metal parts of objects to prevent rusting or damage. A good ratchet is often identified by the number of teeth it has and since its parts are metallic in nature, it is vital that they are regularly lubricated to keep them in shape.
Sometimes, the ratchet can also be degreased during maintenance. The problem that most ratchets tend to have stem from torquing excessively.
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The creation of a written law code in the Roman Republic was significant because it meant that the laws would be applied fairly to all people.
