Michael wants to know how different temperatures affect the growth rate of a bean plant. To make sure he has accurate and valid results he uses the same species of plants, amount of water, soil and pots. He observes the growth over a period of five days. What is the test/independent variable in this investigation?
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Chemistry, 22.06.2019 11:00
When hydrochloric acid reacts with potassium hydroxide solution, the following reaction occurs. hcl (aq) + koh (aq) h2o (l) + kcl (aq) the reaction gives off heat energy, so it is an reaction.
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Chemistry, 22.06.2019 18:50
At stp, which substance is the best conductor of electricity? a. nitrogen b. neon c. sulfur d. silver
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Michael wants to know how different temperatures affect the growth rate of a bean plant. To make sur...
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