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Some are the waste from industrial and agricultural processes. Some have been designed as structural materials and others have been designed to perform various functions such as healing the sick or killing pests and weeds. Obviously some chemicals are useful but many are toxic and their harm to the environment and our health far outweighs their benefit to society. We need to manage the risks better by only using chemicals, which are safe.
toxic chemicals can also be ingested by the wildlife and can cause poisoning and when/if the animal dies, there is a chance that anything that eats the corpse will also be poisoned. the poison may also leak into water ways which is basically the foundation of all wildlife, if the water is poisoned, so are the fish and any animal that drinks it. fish may not just die there either, they may go on to the ocean to be caught by man and the unlucky person who eats that fish may also get poisoned. its not just bad for the wildlife, many chemicals are highly flammable and if struck by to much heat they will burst into flames to cause forest fires. many chemicals also let off bad chemicals into the oxygen which goes up to add to global warming. hope that helps :)
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Why is it dangerous to smell chemicals in a science lab?
Scientists sometimes work with toxic chemicals which would not be healthy to inhale. Of course, they take precautions. Most of the chemicals used by chemists are not so toxic that even a slight amount, accidentally inhaled, will harm their health, but there are some which are that toxic.
What are endogenous hazards?
Hazards that are native to your environment" for instance in a lab you may be dealing with chemicals so slip hazards would be one! also toxic chemicals, you would need bio-hazard suits, and reactive chemicals that may explode and so forth. so you would fined these hazards in a lab all you have to do now is apply the same principles to the subject you wish to discuss.
How do humans positively impact the geosphere?
We effect the Geosphere by polluting it with toxic chemicals. (Similar to: Plant Fertilizers and Agent Orange.) When a state makes a terrible decision on making a mall near a forest when knowing there are going to be harsh consequences on the environment also effects the Geosphere. (Known as Urban Sprawl)David. M
What steps are taken to ensure the improvement of the safety of mines on the environment?
Probably the greatest threat to the environment from mines is toxic runoff. This can be in the form of water pumped from the mine or toxic substances leached fromt the mined ore. To protect against this, water from the mine and leached from the ore must be contained and treated to remove the toxic materials.
Why might it be important for a chemical not to be exposed to light?
because the lighting may dysfunction the chemicals and create a chemical reaction and or make toxic fumes.
