Scientific law: can be reduced to a mathematical statement (E = mc^2)
Scientific theory: often seeks to synthesize a body of evidence of observations of particular phenomena
The answer is a!..................
Answer:
If you already have a solenoid, there is nothing wrong with running CO2 with the lights only. It will save CO2, and prevent excessive CO2 levels at night. Some think the CO2 should be up to max levels when the lights go on.
Explanation:
