Answer:
a. The Decimal System
Explanation:
The Decimal System, is one of the great mathematical innovation form ancient India. There is no clear date and place about the invention the decimal system.
It was first recorded in India, then spread to Islamic world, and further to Europe. Decimal system gave a unique turn to the world of mathematics and made the counting or measurement easy.
Hence, the correct answer is "a. The Decimal System".
Answer:
Carter G. Woodson.
Explanation:
Carter G. Woodson was an author and historian. He is known as the “Father of Negro History” because he defended that education could transform society, improve race relations and benefit the lower classes. He was the first African American born of slaves to earn a PHD. He also defended that all people should learn black history and because of that he celebrated Negro History Week.
Answer:
The experimental design is called Between Subjects Design or Independet Measure.
Explanation:
In the experimental design "Independet Measures" you have different groups. Each group is tested under certain conditions whereas a member of one group cannot be part of another group. A commonly known case were this experimental design is used is drug testing. One group is given the medication whereas the other group receives the placebo.
Well 1.its on december 13
