Correct answer
E. 1m
Explanation
1m is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Spinal card controls all ___________?
Permanent hardness of water due to sulphate of metals can be destroyed by the use of ________ ?
Which of the following atmospheric layers help in radio communication?
What is a mixture of Potassium Nitrate Powdered Charcoal and Sulphur called?
_____________ are positively (+) charged particles?
During a total solar eclipse there is most likely to be_____________?