Answer:
The answer is: 1 - B, 2 - D, 3 - C, 4 - A, 5 - F, 6 - E, 7 - G.
Step-by-step explanation:
1.- CFCs are a family of gases that are used in multiple applications, the main ones being the refrigeration and aerosol propellant industry. B.- Freon is one of the refrigerants. These refrigerants are composed of chlorofluorocarbons, harmful products for the ozone layer, given the effect that when the CFCs rise they break it down. 1 B
2.- Biodegradable is the product or substance that can be broken down into the chemical elements that make it up, due to the action of biological agents, such as plants, animals, microorganisms and fungi, under natural environmental conditions. The products that make the creation of biodegradable plastic possible are, among others, the banana peel. 2 - D
3.- The Yale team calculated that in 2013, the garbage sent to landfills amounted to 294 million tons. With 316 million inhabitants in the country, it represents about 844 kilograms (1,871 pounds) per person in the year, the last one with figures. 3 - C
4.- Particle pollution is the pollution of an environment consisting of particles suspended in some medium. There are three primary forms: atmospheric particles, marine debris, and space debris.The airborne dust is known as particle pollution. 4 - A
5.- Hazardous waste refers to a recyclable waste or not, considered dangerous because it has intrinsic properties that present risks to health and the environment. A hazardous waste Used oil from vehicles and industrial machinery is one of the most polluting waste that exists. 5 - F
6.- All combustible material rich in carbon (gas, oil, coal, kerosene, naphtha, wood, plastics) needs oxygen to burn. When the amount of oxygen is insufficient, combustion is incomplete and CARBON MONOXIDE (CO) is formed. 6 - E
7.- The incomplete combustion of firewood in homes produces a smoke that is harmful to health. Firewood that does not burn properly becomes carbon dioxide. 7 - G
The answer is: 1 - B, 2 - D, 3 - C, 4 - A, 5 - F, 6 - E, 7 - G.