The correct answer is D. Use of CFCs
CFCs are very dangerous for the environment and destroy the atmosphere which in turn lowers air quality. They are commonly known as Freon due to a brand of CFCs found in fridges.
Sand or gravel that naturally forms near the Earth's surface is known as aggregate. Option "A" is the correct option among all the options given in the question. Practically aggregate has several type of meanings. In respect to the question given the meaning of aggregate is the combination of several items that are together known as aggregate.
That's probably a landlocked country. They have little or no access to trade by ship, and air cargo is always the most expensive.
Answer:
The Antarctic Plate is bounded almost entirely by extensional mid-ocean ridge systems.
Explanation:
Shetland tectonic plate is one of the many surrounded on Antarctica.
There are several indicators which are utilized for good water quality. When considering PH, ideal levels need to be between 6.5 and 9.0. Dissolved oxygen also needs to be high in order to allow animals to breath. Ideally the answer would be extremely low amounts of fecal coliform. Although there may be some present, low levels is considered to be an acceptable level.
