2. what is the factor in an experiment that a scientist wants to observe, which may change in response to the manipulated variable; also known as a dependent variable​

Achange in the number of neutrons in an atom will change an blank . when the number of protons changes in an atom, a new element will form.

Liquid ammonia is produced at high temperatures and under great pressure in a tank by passing a mixture of nitrogen gas and hydrogen gas over an iron catalyst. the reaction is represented by the following equation. n2(g) + 3h2(g) → 2nh3(g) changing all but one experimental condition will affect the amount of ammonia produced. that condition is a) increasing the concentration of both reactants b) changing the temperature within the tank c) decreasing the pressure within the tank. d) increasing only the amount of nitrogen present.

What are some natural measures of time