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Alex73 [517]
2 years ago
8

Think about succession and the places you have seen or visited. Choose one place, provide evidence from your experience, to dete

rmine whether your example showed primary or secondary succession. You can write and/or include pictures (5-7 sentences)
Use the vocabulary: pioneer species, climax community, ecosystem, abiotic, biotic.
Chemistry
1 answer:
Dovator [93]2 years ago
7 0

Answer:

Places where primary succession occurs include newly exposed rock areas, sand dunes, and lava flows. Simple species that can tolerate the often- harsh environment become established first. These organisms help enrich the soil, allowing other species to become established.

Image result for think about succession and the places you have seen or visited. choose one place, provide evidence from your experience, to determine whether your example showed primary or secondary succession. you can write and/or include pictures

For example, after a forest fire that kills all the mature trees on a particular landscape, grasses might grow, followed by shrubs and a variety of tree species, until eventually the community that existed before the fire is present again

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3 years ago
How many moles of ions are there in 3 moles of calcium chloride?
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Answer:

9 moles of ions

Explanation:

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What is the concentration (in M) of a sample of the unknown dye with an absorbance of 0.25 at 542 nm?
Sladkaya [172]

Answer:

see explanation below

Explanation:

Question is incomplete, so in picture 1, you have a sample of this question with the missing data.

Now, in general terms, the absorbance of a substance can be calculated using the beer's law which is the following:

A = εlc

Where:

ε: molar absortivity

l: distance of the light in solution

c: concentration of solution

However, in this case, we have a plot line and a equation for this plot, so all we have to do is replace the given data into the equation and solve for x, which is the concentration.

the equation according to the plot is:

A = 15200c - 0.018

So solving for C for an absorbance of 0.25 is:

0.25 = 15200c - 0.018

0.25 + 0.018 = 15200c

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3 years ago
Which term describes this molecular shape?
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Explanation:

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