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Nimfa-mama [501]
3 years ago
7

As much as 25 percent of the fruits and vegetables grown in Chinese agricultural regions rot before they can be transported the

long distances to market. which of the following is a smaller, more manageable problem that contributes to this complex problem?
A. Conserving Earth's limited fossil fuel reserves
B. Reducing global emissions of greenhouse gases
C. Developing effective methods of food preservation
D. Preventing extinction of endangered species
Chemistry
1 answer:
gulaghasi [49]3 years ago
7 0

C. Developing effective methods of food preservation

Explanation:

The development of effective methods of food preservation is a much more smaller and manageable problem that contributes to the complex problem.

The percentage of food rotting is not as a result of lack of an effective preservation technique as highlighted in the passage. It is due to the long distances of agricultural area from where the farms are located.

  • To cut the loss, efficient and rapid transportation techniques needs to be put in place to carry the fruits and vegetables to the area where they are needed.
  • This is the most complex problem that if solved can peg back food rot.
  • Additional measures should be put in place to preserve the food.

Other options does not address the subject matter  

learn more:

Preservation brainly.com/question/4853419

#learnwithBrainly

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Use the mass and volume data to calculate the density of an unknown metal to the nearest hundredth.
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Answer:

8.90

Explanation:

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Hope that helps.

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Typically, the hydrogen gas is bubbled through water for col- lection and becomes saturated with water vapor. Suppose 240. mL of
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Answer:PH2=0.994atm, mass of zinc=0.606g

Explanation:

Equation for the reaction is written as;

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V= 240ml = 0.240L

T= 30.8oC = 303.8K

Ptotal= 1.036atm

Pwater = 32mmHg at 30oC = 0.042atm

Therefore

PH2 = Ptotal - Pwater

= 1.036-0.042atm

=0.994atm

But PV= nRT

n = PV/RT

= 0.994x0.240/0.0821x303.8

= 0.24/24.94

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4 years ago
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Oduvanchick [21]

Answer:

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n = 2

l = 1

m = 3

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Explanation:

There are four quantum numbers:

Principal quantum number (n)

Azimuthal quantum number (l)

Magnetic quantum number (ml)

Spin quantum number (ms)

All these four quantum numbers gives complete information about an electron like its spin, shells, subshells and orbitals.

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The last 9th electron is in second orbital the principle quantum number will be 2.

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Magnetic quantum number (ml)

It describe the orientation of orbitals. Its values are -l to +l. For l=1  the ml will be -1 ,0,+1.

Spin quantum number (ms)

The spin quantum  number tells the spin of electron either its clock wise (+1/2) or anti clock wise (-1/2).

For last electron of fluorine spin quantum number will be

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