Chemistry, 26.04.2020 00:30 Stucklikechuck1703
What is the controlled variable for: 1.Does the amount of leaves on a tree affect how many birds build their nests in it? 2.Does the acid level of the lake affect how many fish live there?
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Chemistry, 22.06.2019 18:00
Alidded glass container is filled with a colored gas. after a period of time, it is observed that the gas is uniformly spread throughout the box and that the movement has slowed considerably. next, a warm iron plate is carefully placed under the box. why is there resumed movement of the gas in the container?
Answers: 2
Chemistry, 22.06.2019 21:30
Describe at least two advantages and two disadvantages of using hydropower as a source of energy.
Answers: 2
What is the controlled variable for: 1.Does the amount of leaves on a tree affect how many birds bui...
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