Which of these are essential aspects of science? empirical evidence based on nature performed outside scientific consensus

The wave shown on the electromagnetic spectrum disturb the medium it passes through a)different frequency. b)the same frequency .

How many atoms are there in 5.70 mol of mg

Consider the following reaction at equilibrium. 2co2 (g) 2co (g) + o2 (g) h° = -514 kj le châtelier's principle predicts that the equilibrium partial pressure of co (g) can be maximized by carrying out the reaction a. at high temperature and high pressure b. at high temperature and low pressure c. at low temperature and low pressure d. at low temperature and high pressure e. in the presence of solid carbon