Answer:
D. Refrigerants
Explanation:
In the United States of America, the agency which was established by US Congress and saddled with the responsibility of overseeing all aspects of pollution, environmental clean up, pesticide use, contamination, and hazardous waste spills is the Environmental Protection Agency (EPA). Also, EPA research solutions, policy development, and enforcement of regulations through the resource Conservation and Recovery Act .
The Clean Air Act Amendments of 1990 prohibit service-related releases of all refrigerants such as R-12 and R-134a. This ban became effective on the 1st of January, 1993.
Refrigerants refers to any chemical substance that undergoes a phase change (liquid and gas) so as to enable the cooling and freezing of materials. They are typically used in air conditioners, refrigerators, water dispensers, etc.
Answer:
The bicycle is a tremendously efficient means of transportation. In fact cycling is more efficient than any other method of travel--including walking! The one billion bicycles in the world are a testament to its effectiveness
Explanation:
Answer:
<h3>Connector names are written below Picture vise:</h3>
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Explanation:
Following is the brie Illustration of the terms used:
It is the newest connector in the market with the reversible/symmetrical design. It can be adapted to work with the legacy connectors such as USB-A, USB-B, USB-C and Micro USB.
It is used mostly in the connections of electronic devices such as printers and smartphones. It has A to B connectors as well as micro USB connectors and mini USB connectors.
It is used for the connection o compact devices such as smartphone and mp3 players. They are further grouped into three categories: Micro A, Micro B and micro USB 3.
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I hope it will help you!</h3>
I am not sure what you mean by that but a boolean is either true or false. So it is kind of like a true or false question. 4+4=7 is false. 2*4!=48 is true.
Answer:
Explanation:
One group of students did an experiment to study the movement of ocean water. The steps of the experiment are listed below.
Fill a rectangular baking glass dish with water.
Place a plastic bag with ice in the water near the left edge of the dish.
Place a lighted lamp near the left edge of the dish so that its light falls directly on the plastic bag.
Put a few drops of ink in the water.
The student did not observe any circulation of ink in the water as expected because the experiment had a flaw. Which of these statements best describes the flaw in the experiment? (2 points)
Not enough ink was added.
Not enough water was taken.
The dish was too small for the experiment.
The lamp and the ice bag were at the same place.
