1) control - does not get independent variable 2) experimental - gets the independent variable 3) independent variable - is being changed/controlled 4) dependent - is being tested
Answer: The Universe formed at a central point :)
Explanation:
Photochemical smog results from automobile pollutants reacting with ultraviolet light from the sun. <span>Nitrogen oxides released from the automobile are introduced into the atmosphere reacts with sunlight to produce singular oxygen atoms. Oxygen atoms then combine with molecular oxygen to produce ozone which is one of the components of photochemical smog.</span>
No I think because snails need to use water to breath.
It would be difficult to find the ideal CO2 level with a low light intensity because the plant will have a difficult time trying to survive.