By the end of the day you know how much each group ate, and you compare it with the control. ... In conclusion, Control is important because without it you'd have no way to understand the results after an experiment happened.
These are 40 words.. I tried :D
Answer:Before the reaction, there are 4 oxygen atoms,and after the reaction, there are 4 oxygen atoms.The same is true for hydrogen atoms.So, atoms are not created or destroyed.This supports the claim that matter is conserved during a chemical reaction.
Explanation:
The correct answer is the last equation: 30*2 + 2Al —> 2AlO*3
There are 6 oxygen molecules
and two aluminum molecules (Al)
In the right side of the equation, distribute the 2 to the Al and O*3 and there should equal the 6oxygen and 2 aluminum
Answer:Desde un punto de vista evolutivo y biológico, la función del cerebro como órgano, es ejercer un control centralizado sobre los demás órganos del cuerpo.
Explanation:
soil contains microorganisms decaying organic matter, earthworms and other insects. soil is a living environment, The earthworms and insects aerate the soil and add to the organic matter of soil through their waste and when their bodies decay.
