the actual answer would be (d) arthropods
Women were able to hold a more prominent role in the workplace following the passing of the 19th Amendment. With the ability to work alongside men, they were able to receive jobs now. However, many didn't hire women because of their limited mindsets on their work ethic.
Many jobs would be filled in by women in the factories during WWII. Many men were sent to fight the Axis and the Reds overseas, and we needed people to manufacture our goods for the war and at home. Seeing as how women were able to get jobs by then, they filled in.
For a long time, they were just seen as temporary work, and were expected to give up their jobs when the men returned. A little chauvinistic, but such was the troubled time back then.
Answer:
the minimal difference between two stimuli that people can reliably detect
Explanation:
A difference threshold is the minimum amount that something needs to change in order for a person to notice a difference 50% of the time. It is sometimes called the just noticeable difference (jnd), and it depends on the strength of the stimulus.
the minimal difference between two stimuli that people can reliably detect, also called just-noticeable difference. the amount of change in a stimulus need to detect a difference, expressed as a constant ratio or fraction of the original stimulus
Because the more layers the older the rock if it's a big rock it's probably hundreds of years old.
Treaty of Paris
For i have never heard of the Treaty of France before