It may be difficult for young matthew, who is only 4 years of age, to understand the difference between the ipad that his mother uses, the kindle that his brother uses, and the galaxy tablet that his sister uses. after all, all of them are tablets, have touch screens, are electronic technology, and run “apps” that include games and educational programs. these similarities remind us of the concept of , which refers to the fact that animals tend to share many different properties.

The above scenario shows that these similarities remind us of the concept of crowding, which refers to the fact that animals tend to share many different properties.

To add, crowding is a perceptual phenomenon where the recognition of objects (or graphemes) presented away from the fovea is impaired by the presence of other neighboring objects (sometimes called "flankers").

answer; i had to look this up and the only one i found was(last only 15 minutes) plz check first and good luck;

the median of the data is 4.

step-by-step explanation:

the median means the middle number of a given number.

to decide which one is the median, arrange in ascending or descending order. but sometimes, you may find two(2) number in the middle, but it's easy, just add them together and divide by 2.

so,   determine the median of the data. 2, 3, 3, 4, 5, 7, 9

it is already arranged, count 3 times forward and 3 backward and the one left is your answer.

2,3,3,4,5,7,9

our answer is 4.

hope this !