Gina is an ecologist, She is studying damage to tree bark in a forest. Initial research suggests that a new animal species that’s entered the area caused the damage. So, Gina draws a model to show her colleagues what’s happening. Further research suggests that the animal has carried a bacteria that has infected the trees, causing the damage. What are the limitations of Gina’s model? A. It doesn’t take all factors into account. B. It isn’t drawn to scale. C. It’s a mathematical model, not a conceptual model. D. It needs to be a physical model, not a conceptual model
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In this chemical reaction, 325 grams of barium (ba) react completely. how many moles of lithium (li) are produced?
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How many liters of oxygen gas, at standard temperature and pressure, will react with 35.8 grams of iron metal? 4 fe (s) + 3 o₂ (g) → 2 fe₂o₃ (s)
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Chemistry, 22.06.2019 12:00
Most materials are not magnetic because their magnetism has worn off. their magnetic domains are arranged randomly. they lack magnetic fields. earth’s heat has destroyed their magnetism.
Answers: 1
Gina is an ecologist, She is studying damage to tree bark in a forest. Initial research suggests tha...
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