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3 years ago

In the carbon cycle, carbon is transferred from animals to decomposers in all of the following ways EXCEPT

Physics

2 answers:

Ad libitum [116K]3 years ago

7 0

Hello.

The answer is <span>C) as carbon dioxide.

Have a nice day </span>

exis [7]3 years ago

6 0

Answer:

Option (C)

Explanation:

The carbon cycle is usually defined as the cyclic process by which the carbon is transferred from the atmosphere to the consumers and also to the hydrosphere and again back to the atmosphere.

The carbon is often transferred from the animals to the decomposers. After the death of an organism, the decomposers eat up the decaying death matter and doing so it takes up some amount of carbon into them and during the process of respiration, they again give out that carbon back into the atmosphere. They are mostly transferred as waste materials, like dead bodies, and also as the discarded food.

But they are not transferred in the form of carbon dioxide gas, because carbon dioxide is released only during the respiration process.

Thus, the correct answer is option (C).

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3 years ago

A river flows due east at 1.50 m/s. A boat crosses the river from the south shore to the north shore by maintaining a constant v

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Answer:

$u = 10.11 \ m/s$

$x = 44.996 \ m$

Explanation:

From the question we are told that

The velocity of the river due east is $v = 1.150i \ m /s$

The velocity of the boat due north is $v_1 = 10j \ m/ s$

The width of the river is $d = 300 \ m$

Generally the velocity of the boat relative to the shore

$u = \sqrt{v^2 + v_1^2}$

=> $u = \sqrt{1.50 ^2 + 10^2}$

=> $u = 10.11 \ m/s$

Generally direction of the boat relative to the shore is mathematically represented as

$tan \theta = \frac{v}{v_1}$

=> $\theta = tan^{-1}[ \frac{v}{v_1}]$

=> $\theta = tan^{-1}[ \frac{1.5}{10}]$

=> $\theta = 8.53^o$

Generally the distance covered by the boat in the direction of flow of the river before reaching the north shore is mathematically represented as

$x = d* tan(\theta )$

=> $x = 300 * tan(8.53)$

=> $x = 44.996 \ m$

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3 years ago

When the liquid line is restricted, the supply of refrigerant to the metering device is reduced. What is the effect on suction p

Nimfa-mama [501]

Answer:

The suction pressure decreases and the superheat increases when the liquid line is restricted and the supply of refrigerant to the metering device is reduced.

Explanation:

1. The five components of refrigeration are:

Fluid refrigerant
Compressor
Condenser coil
Evaporator coil
Expansion device.

The compressor limits the vapor released by the refrigerant. This

causes a rise in pressure (in refrigerant), which then pushes the

vapor into the coils on the outside of the refrigerator.

2. Now when the cooler air meets the warm gas present in the coils, it

gets converted into liquid form.

3. Thus, when the liquid form is at high pressure, the refrigerant then

cools down as it flows through the coils placed in the fridge ( in both

freezing and normal sections).

4. The refrigerant also absorbs the warm air present in the fridge, which

causes it to evaporate and flow back through the compressor and the

cycle repeats in the same form.

Thus, when the liquid line is restricted and the supply of refrigerant to the metering device is reduced it causes a decrease in suction pressure and an increase in superheat.

Learn more about refrigeration here:

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