Answer:
Both of these sentences explain the risks related to using high technology gadgets for example like smart watches we use on our wist for fitness tracking. The risk comes when we dispose them off in landfills where they may produce hazardous chemicals when interacted by other environmental factors. For instance, the Li-ion batteries used in these gadgets may promote the accumulation of metals like harmful levels of mercury and other heavy metals used in them like aluminium. They should not be added to landfills but the proper recycling treatment of e-waste must be done to protect the environment.
