Which of the following is the best example of a way human lifestyles affect environmental systems? using radioactive materials causes ground pollution as it causes methane to seep into the ground. burning fossil fuels causes water pollution by decreasing the amount of water vapor in the atmosphere. deforestation causes acid rain by decreasing carbon dioxide (co2) in the atmosphere. using aerosols that contain chlorofluorocarbons (cfcs) decreases the amount of protective ozone (o3).

Using aerosols that contain chlorofluorocarbons (CFCs) decreases the amount of protective ozone (O3).

Explanation:

Let's talk about available options and how can they be true or false:

If we talk about option A, it says that radioactive materials cause the addition of methane in ground. As we know that methane is a gas that is present in the atmosphere since its lighter nature. Therefore, the pollution due to methane seeping into the ground do not makes a reasonable cause for pollution.

If we talk about option B, it says that Burning fossil fuels causes water pollution, as we know that burning of fossil fuels is a serious cause of air pollution because it increases the amount of harmful gases in the air. But in option, it is mentioned that fossil fuels cause water pollution which again is not a reasonable cause.

If we talk about option C, it says that deforestation causes acid rain by decreasing carbon dioxide (CO2) in the atmosphere. However in actual deforestation in the cause of enhanced amount of CO2 emissions which in turn cause the acid rainfall. Therefore, the option is clearly wrong.

If we talk about option D, it says that aerosols that contain chlorofluorocarbons (CFCs) decreases the amount of protective ozone (O3). As we know that aerosol sprays are the leading cause of damaging ozone layer and causing big holes in it therefore there is a lot of focus now adays by environmentalists to minimize their usage.

Hence D is correct option.

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