Answer:
The correct answer is letter "A": Binocular disparity.
Explanation:
Binocular disparity refers to the slight difference in the caption of an image between the left and the right eye because of the eyes' horizontal separation -also known as parallax.
In the case, Akeelah extended an arm and then one finger of the same arm. After focusing on the finger, she closes and opens both her left and right eye. As a result, she perceives a little different between the sight of one eye and the other.
Answer:
1863
Explanation:
On November 19, 1863, President Abraham Lincoln delivered a short speech at the close of ceremonies dedicating the battlefield cemetery at Gettysburg, Pennsylvania. Honoring a request to offer a few remarks, Lincoln memorialized the Union dead and highlighted the redemptive power of their sacrifice.
Explanation:
Contamination can have undesirable consequences in real experiments, some of them are related to the feelings that may arise in the research participants, the contamination bias reduces the differences between the research groups, and can cause a comparison between the treatments of each different group, the which can generate conflicts and rivalries on the part of groups that consider themselves to be inferior to others. These contamination-related problems can significantly interfere with the research results.
