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Travka [436]
1 year ago
15

Which of the following must always be replaced when a retrofit is performed?

Biology
2 answers:
Volgvan1 year ago
4 0

Answer:

D. Refrigerant oil.

Explanation:

The job of a refrigerant oil is to lubricate the compressor, if you don't replace it, you may lose your compressor and all are gonna be ruined.

That's why is more important. Also, depending on the situation, because every situation aren't the same.

Olegator [25]1 year ago
3 0
The answer is c, hope it helped
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Give one example of how the testing of Platismatia glauca could benefit future ecological research of this forest.
storchak [24]

Answer:

Testing Platismatia glauca could help scientists understand which pollutants have the largest effect on lichen populations. It also may help scientists understand the current pollutant levels in the atmosphere compared to the population of lichens on the trees. This information can help them more accurately predict population changes over time.

hope this helps:)

5 0
1 year ago
Help me Please!!!!!!!!!!!!!!!!! I will mark correct answer as brainliest!
nydimaria [60]

Answer:

atlanta i think

Explanation:

In this case the reference point is Atlanta, this is where the family started their motion from. Such that this point may be used to describe their movement. It is sued to describe their movement to Baltimore.

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Cells from an advanced malignant tumor most often have very abnormal chromosomes, and often an abnormal total number of chromoso
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4 0
1 year ago
The specific heat of a metal is 0.5 cal/ (0C.g). The heat required to raise temperature of 100 gram of that metal by 20 0C is
MAXImum [283]
<span>The specific heat of the metal is 0.5 cal/ (0C.g). This means the energy needed is 0.5 cal to raise the heat of 1 gram of metal by 1 degree C. Therefore, the energy needed to raise 100 g of the metal by 20 degrees C is:
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1 year ago
The backbone of DNA and RNA is composed of . DNA is double stranded due to interactions between adenine, cytosine, guanine, and
gayaneshka [121]

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7 0
2 years ago
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