A quick Google search revealed that Andrew Johnson was the 17th president of the United States.
Chemical bonds should be the correct answer choice.
Answer:
its A. back pain from the compressed nerves
Carbs contain lots of energy, so not A.
They are different carbs with different atom arrangements, so not B.
And carbs only contain 3 elements C, H, and O.
So the answer should be C.
Answer:
Control environment is the most important procedures for getting good results.
Explanation:
The control environment for an experiment is the essential part for getting good results. In control environment, there is no or less chances of infestation from the external environment which can cause the results of the data more acceptable. So the scientists prefers laboratory for performing experiment as compared to outer environment. So in my opinion for getting better results, the control environment is the most necessary experimental procedure.
Yes, for getting better results I think there is a step that could have been added to the procedure is to follow the international standard procedures for taking the readings by the experimenter.