Question

Q21. "Physical education is that phase
of education that deals with big
muscle activities and their related
responses " said by whom? *
C.C Cowell
O J.B.Nash
O R.Cassidy
O Oberteufer
.​

Answer 1

Answer:

J.B.Nash....

Explanation:

According to J.B. Nash; "Physical Education is that field of education which ten big muscle activities and their related responses."

Answer 2

Explanation:

Data science is an inter-disciplinary field that uses scientific methods, processes, algorithms and systems to extract knowledge and insights from many structural and unstructured data. Data science is related to data mining, machine learning and big data.