Scientists were interested in testing a new technique to prevent slipping on ice one group simply wore boots, while the other group wore socks over their boots.
Option: C
Explanation:
Scientist always try to bring out a new technique to solve out some problems like to prevent or avoid slipping on ice scientist followed a method that is they divide the whole group into two sub parts one having simple boots while other group having socks over boots.
In this way scientist want to watch and experiment the effect of not wearing boots and having boots with socks that affect the slipping over ice. If both the groups wore same shoes then the experiment would not work out properly. Two different techniques must be followed by the scientist.
Answer:
Efficacy versus effectiveness
Explanation:
Efficacy versus effectiveness are both the same term but are different to some extent. Both terms are used to describe and get the result of the research. But we can describe effectiveness and efficacy in the medical condition in a different context. Effectiveness in the medical condition is getting the result in the natural wold environment without any controlled condition. Whereas the efficacy is reverse from effectiveness as the efficacy is the result under the controlled condition. The efficacy described how the medicine is used in controlled or ideal conditions whereas the effectiveness described how the medicine works in an average clinical setting or the natural world environment.
ANSWER:
The state in the United States of America which is located at 150 W longitude is: Alaska.
The answer to this question is <span>object permanence.
</span><span>object permanence refers to a mental understanding that an object is still stays in that place eventhough we stop observing it.
The ability for infants to understand the concept of object permanence started to develop when the infants enter the age of 4-7 months old.</span>