# POSSIBLE POINTS: 2 A student wondered if different types of plants would produce different amounts of oxygen. A pea plant, a fern, and a cactus were growing in equal-sized containers with equal amounts of soil. The student measured the amount of oxygen produced by each. Identify one factor (other than the size of the container and the amount of soil) that should be held constant in this experiment. Explain why this variable needs to be held constant. ​

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###### Question:

POSSIBLE POINTS: 2 A student wondered if different types of plants would produce different amounts of oxygen. A pea plant, a fern, and a cactus were growing in equal-sized containers with equal amounts of soil. The student measured the amount of oxygen produced by each. Identify one factor (other than the size of the container and the amount of soil) that should be held constant in this experiment. Explain why this variable needs to be held constant. ​

## Answers

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1 answer

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2 answers

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2 answers

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1 answer

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1 answer

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To format an individual sparkline, select the sparkline you want to format, and then click the Ungroup button in the Group group on the SPARKLINE TOOLS ____ tab. a. DESIGN b. LAYOUT c. CREATE d. VIEW...
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please evaluate this equation 9m*2 - 3n*3 / p + 8 for m = 3 , and p=9...
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5. Animals depend on plants for carbon dioxide..... True or False ​...
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Barrios were Spanish speaking neighborhoods that:...
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### The Thompson analogy titled "The Carpet-Seed Children Analogy" attempts to deal with the issue of failed ____________________(A) fertilization(B) intercourse(C) conception(D) contraception

The Thompson analogy titled "The Carpet-Seed Children Analogy" attempts to deal with the issue of failed ____________________(A) fertilization(B) intercourse(C) conception(D) contraception...
2 answers

### If the presence in greenhouse gases in Earth's atmosphere continues to increase at the present rate, scientists predict that in the next 50 to 100 years, atmospheric temperatures could rise by 2oC. All of these could be consequences of global warming EXCEPT A) an increase in arid and semi-arid areas on Earth. B) permanent flooding of low-lying coastal wetlands. C) an increase in square miles of polar ice covering Earth. D) a rise in the amount of vegetation found in tundra and taiga regions.

If the presence in greenhouse gases in Earth's atmosphere continues to increase at the present rate, scientists predict that in the next 50 to 100 years, atmospheric temperatures could rise by 2oC. All of these could be consequences of global warming EXCEPT A) an increase in arid and semi-arid area...
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1 answer

### Who would make the following statement "The purpose of the Constitution is to limit the power of the federal government, not the American people" ?

Who would make the following statement "The purpose of the Constitution is to limit the power of the federal government, not the American people" ?...
1 answer

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