20 ! answer ! a plant releases water through the stomata in its leaves. as water evaporates from the leaves, more water is pulled up from roots through the stem and into the leaves. this process is called transpiration and allows the plant to pull needed water and nutrients from the soil. you decide to do an experiment to determine how much water a plant can take up in a certain amount of time. what is your tested or measured variable? what are your controlled variables or what factors do you need to hold constant?

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answer: although many types of viruses can cause a common cold, rhinoviruses are the most common culprit. a cold virus enters your body through your mouth, eyes or nose. the virus can spread through droplets in the air when someone who is sick coughs, sneezes or talks. theres your answer

explanation:

emerging idea only occurs as a raw idea that could appear out of nowhere. meanwhile, to reach scientific consensus , that idea must be structured and tested over and over again through various experiments. the scientific consensus transforms the raw idea into idea that is more reliable through the process of scientific elimination.