Question

here is 1 mark for correct answer.
here is No Negative marking for incorrect answer
1. Why detailed record keeping is essential.
(A) All of these
(B) Providing evidence the effectiveness
(C) Reporting on experimental results
(D) To aid in recording​

Answer 1

Detailed record keeping is essential. because it helps in,

1. Providing evidence the effectiveness
2. Reporting on experimental results
3. To aid in recording