Answer: Option D.
Technician A.
Explanation:
Oil residues on hoses, it's components or fittings indicate an area where refrigerant may be leaking.
An oil spot on the A/C hose is an indication of refrigerant leak in the system. Good oil levels are important for the system good performance. If the level of oil is to low, the compressor will not have lubrication and if it is too high, the heat exchange will affected which will lead to poor air conditioning performance. If a leak is formed on A/C hose, an oil spots that collect dirts will disappear. An refrigerant leak detector will help verify if there is no leak in the system.
So Technician A is correct.
A sample of a good marketing pitch for Pumpkin Haven Farms is: "We make the best farm produce and with our best in-line commodity segregation, processing, marketing, and agritourism, we are the best choice for you"
<h3>What is a Marketing Pitch?</h3>
This refers to the line of talk that is done with the aim of persuading a person to buy a product.
Hence, we can see that a brief explanation of the terms are:
- Commodity segregation: This is the separation of various commodities
- Commodity processing: This refers to the conversion of raw bulk USDA commodities into ready-to-use products
- Marketing: This is the act of promoting a good or business.
- Agritourism: This refers to the linking of agric production to tourism.
Read more about a marketing pitch here:
brainly.com/question/14258452
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Because natural selection acts directly only on phenotypes, more genetic variation within a population usually enables more phenotypic variation. Some new alleles increase an organism's ability to survive and reproduce, which then ensures the survival of the allele in the population.