Which of the following best describes a key environmental concern associated with improper disposal of e-waste?
Release of toxic metals into soil and water
E-waste, or electronic waste, refers to discarded electronic appliances. An improper disposal of e-waste is indeed a significant environmental concern due to the presence of toxic materials. Let's explore the options to identify the key environmental issue related to e-waste:
- Release of toxic metals into soil and water: E-waste often contains hazardous materials like lead, mercury, cadmium, and other heavy metals. When e-waste is not disposed of correctly, these toxic metals can leach into the soil and water systems. This contamination poses serious risks to ecosystems and human health. Therefore, this option is highly relevant to the concerns surrounding e-waste.
- Release of greenhouse gases from decomposition: While e-waste can contribute to greenhouse gas emissions if incinerated, the materials themselves do not primarily decompose to release such gases. Therefore, this is not the key environmental concern associated with e-waste.
- Enhanced biodegradation of plastics: E-waste contains some plastics, but the issue is not about them biodegrading faster; rather, plastics in e-waste can release harmful substances over time. This option does not describe a key environmental concern associated with e-waste.
- Increased recycling rates of precious metals: This is more of an economic incentive rather than an environmental concern. Effective recycling can mitigate environmental issues but does not describe an inherent problem with improper disposal.
After analyzing the options, the correct answer is that the key environmental concern associated with improper disposal of e-waste is the release of toxic metals into soil and water. These metals can cause significant environmental damage and health issues when they contaminate ecosystems.
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Important Questions from Environment Education
Increase in carbon dioxide in the atmosphere is caused by which of the following reasons?
I) Excessive use of fossil fuels
II) Deforestation
III) Increased number of vehicles
IV) Excessive use of solar heatersAlso refers to global warming
EVS is an integration of
Select an incorrect statement:
Persistence of vision in a human eye is
