1 is hours and 2 is meters
Answer:
Calcium is more reactive.
Explanation:
It is higher in the reactivity series, and contains more energy levels.
The one abt respiration the answer is the first one and circulatory system is the last one that says “delivery molecules …”
Nitrogen in the limiting reactant x
I would say it should be Einstein's famous equation of e=mc^2 which means energy =mass x the speed of light squared. With this equation Einstein showed that energy comes from a mass travelling at the speed of light squared which is a fundamental equation to explain physical phenomena.
