Answer:
4- radioactive isotopes
Explanation:
I don't remember exactly but this question was on the regents
It’s positive when you use energy for work
Stoichiometry is the relationship between the relative quantities of substances taking part in a reaction or forming a compound, typically a ratio of whole integers. Hoped this helped!!!!. Also if you are trying to look for the formulas it should be online just type in stoichometry formulas.
B- Earth completes a full spin on its axis once every 24 hours.
Answer:
A
Explanation:
I would say A because the sun makes energy right so if you are looking for an arrow or arrows I would say A I hope this helps!! and have a great day or night
