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Andreyy89
3 years ago
9

HELP PLEASE I WILL GIVE YOU BRAINLIEST

Chemistry
1 answer:
Ksivusya [100]3 years ago
6 0
The first and Third graph
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What is a food chain OR web, and what is it useful for?
Assoli18 [71]

Answer:

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Food webs can be used to study bottom-up or top-down control of community structure.

Explanation:

Food chains are important because they show the intricate relationships in ecosystems. They can reveal how each organism depends on someone else for survival. Food chains also display what happens when a problem occurs and a producer or consumer is lost.

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4 0
2 years ago
What do the numbers listed for an element on the periodic table represent?. Answer. . The number with a higher value is the numb
DochEvi [55]
Higher value- mass number
Lower value- atomic number/ number of proton
4 0
3 years ago
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What is the most common way to increase retenation of anlyates in gas choromatography analysis​
alex41 [277]

Explanation:

The retention of analytes in gas chromatography can be increased by selecting mobile phase that is a weaker solvent. When the mobile phase has a lower solvent strength, solutes spend proportionally more time in the stationary phase and take longer to elute.

3 0
2 years ago
A rook is dropped into a graduated cylinder filled with 35 mL of water.
KonstantinChe [14]

Answer:

5 cm³.

Explanation:

The following data were obtained from the question:

Volume of water = 35 mL

Volume of water + Rock = 40 mL

Volume of rock =.?

The volume of the rock can be obtained as follow:

Volume of rock = (Volume of water + Rock) – (Volume of water)

Volume of rock = 40 – 35

Volume of rock = 5 mL

Finally, we shall convert 5 mL to cm³. This can be obtained as illustrated below:

1 mL = 1 cm³

Therefore,

5 mL = 5 cm³

Thus, the volume of the rock is 5 cm³.

7 0
3 years ago
Electrons of an atom that participate in chemical bonding
IrinaVladis [17]
If you want the scientific term they are valence electrons

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