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natka813 [3]
3 years ago
13

Which of the following statements about biodiversity is TRUE?

Chemistry
1 answer:
bazaltina [42]3 years ago
7 0
Answer: B More biodiversity -> Better chance for an ecosystem to sustain itself
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What does the interquartile range represent?
Marizza181 [45]

Answer: C) middle 50 percent of the data

The interquartile range (IQR) spans from the first quartile Q1 to the third quartile Q3.

25% of the data is below Q1 and 75% of the data is below Q3. The gap between the two endpoints consists of 75-25 = 50 percent of the data, or half of the data.

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3 years ago
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The only nonmetal in group 1
r-ruslan [8.4K]

Answer:

Hydrogen

Explanation:

Hydrogen is the only non metal in group on of the period table of elements.

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3 years ago
Which compound is a carbohydrate. Nucleotide or protien or starch or amino acid
marshall27 [118]
Starch is carbohydrate
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3 years ago
What volume will 2.0 moles of nitrogen occupy at .947 atm and 20° C ? ____ L
r-ruslan [8.4K]

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The volume is 50, 74 liters

Explanation:

We use the formula PV = nRT. The temperature in Kelvin is = 273+ 20 =293K

PV=nRT ---> V = (nRT) / P

V= (2.0 mol x 0,082 l atm /K mol x 293 K) / 0,947 atm

V=50,74128828 l

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How can you tell based on the periodic table which elements will bond with each other?
zysi [14]
A non-metal element bonds with a metal element.
in the periodic table IA and IIA are metal elements so they usually react with nonmetal elements of group VIIA.
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