Correct answer choice is:
<h2>C. The question can be tested by a systematic procedure.</h2><h3>Explanation:</h3>
A scientific question is a problem that may point to a hypothesis and support us in solving the cause for any research. A good scientific question has several aspects. It should have any true results, should be testable.
A systematic process is usually intimately connected with the decisive study. In common, the purpose of a systematic process is viewed as a mechanism of control directed at decreasing the number and austerity of errors, omissions, and failures due to both human or technological functions associated.
Its important because it tells us the difference between populations and individuals
Lead.
"Due to insufficient water treatment, lead leached from water pipes into the drinking water, exposing over 100,000 residents to elevated lead levels."
I say C. <span>it lowers the activation energy of a reaction in affects only very specific reactions. Correct me if I'm wrong tho...thank you ;)</span>
It's important because we need the scientists to discover where it is. The Lokiarchaeota is a main cause for infections, and diseases, and if we identify it, and study it, we may know how to cure certain diseases, and how to prevent them.