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ycow [4]
3 years ago
14

3. Describe how the water at the equator would be different from the water at the poles.

Chemistry
1 answer:
Dmitry_Shevchenko [17]3 years ago
7 0

Answer:

there is a distinct decrease of salinity near the equator and at both poles, although for different reasons. Near the equator, the tropics receive the most rain on a consistent basis. As a result, the fresh water falling into the ocean helps decrease the salinity of the surface water in that region.

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Why does burning fossil fuels put ecosystems under pressure?
otez555 [7]

Answer:

When fossil fuels are burned, carbon- dioxide and other greenhouse gases are released which trap the Sun's heat and can lead to global warming. The over heating of the atmosphere can put ecosystems under pressure especially the tundra regions.

3 0
3 years ago
Significant figures are a measure of __________. an precise and accurate answer. the true value of a measurement. accuracy. prec
34kurt

Answer:

Significant figures are a measure of <u><em>precision</em></u>.

Explanation:

The significant figures of a number are those that have a real meaning and, therefore, provide some information. Therefore, the set of digits that are known with certainty in a measure are called significant figures and are the digits of a number considered non-null.

Any experimental measurement is inaccurate and must be expressed with its significant figures.

In this way, significant figures express the precision of a measuring tool.

6 0
3 years ago
What's the mass in grams of 0.334 moles of sucrose (C12H22O11)?
Sonbull [250]

Answer:

114.23g

Explanation:

Mass = xg

Mole = 0.334 mol

Molar mass of Sucrose

(C = 12, H = 1, O = 16)

C12H22O11

(12×12)+(1×22)+(16×11)

144 + 22 + 176

342g/mol

Mass = No of mole × Molar mass

Mass = 0.334 × 342

Mass = 114.228

Mass ≈ 114.23g

3 0
3 years ago
How many moles of electrons are transferred in the folllowing balanced chemical equation 4fe + 3o2?
AfilCa [17]
3 o2 electrons are the strongest than the iron due to molecular stability
6 0
4 years ago
One example of an ionic compound is<br><br> F2 <br> CO2<br> HBr<br> MgCL2
allochka39001 [22]
MgCl2 because it is the only option in which a metal appears with a nonmetal. In this case, the metal transfers electrons to the nonmental because the metal has a lower ionization energy.
7 0
4 years ago
Read 2 more answers
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