Please anyone delete my I'd it's a request please help ​

What is the indicator of the number of ions in solution? the amount of conductivity the amount of precipitate the amount of solute added

What is a number added in front of a formula in order to balance the equation

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