Some of the Mars satellites began their maneuvers to be in the correct location more than two years ago! Why do you think this is?

The first intelligence test (IQ test) was developed in 1904, by Alfred Binet, Lewis Terman, and William Stern. These researchers were asked to create a test that would differentiate children with a level of average intelligence to children with learning disabilities. They came to the realization that younger children were able to answer the advanced questions that the older children were able to answer as well. Based on their results, they create the concept of mental age, also known as a measure of intelligence based on the basic abilities of children at a certain age.

Explanation:

I reacreated the answer because the other person gave an unacceptable answer. Youre welcome.