If they test more than one variable, they wouldn't know if it was both variables or one variable that was responsible for any observed effect.
Answer:
What subject is it, and could you please show the formula?
Explanation:
Climate is the main factor is determining<span> which </span>plants<span> can grow in a certain area, which in turn defines the </span>biome<span>. Temperature and precipitation are the two most important factors that </span>determine<span> a region's climate.
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Answer:
Sunlight is important in my life because you need it if you have a plant and you want to take care of the plant.Postive effects of sunlight is Sun water and needing health
A substance is most likely to diffuse into a cell when <span>(3) the concentration of the substance is greater outside the cell than inside.</span>