Basic aqueous solutions contain higher concentrations of hydroxide ions OH- than pure wa­ter. Which of the following substances can you not use to prepare basic solutions? All three

CH3CH2OH

KOH

Ca(OH)2

Which statement explains which component is likely to be more powerful in explaining a scientific phenomenon? a) component c, because a theory is often passed on possibility and not certainty b) component d, because a hypothesis is often based on possibility not certainty c) component c, because the ability to explain several occurrences in the natural world is a characteristic of a hypothesis d) component d, because the ability to explain several occurrences in the natural world is a characteristic of a theory