Activities such as shipping, dams, watering and fertilization of crops and dredging have an impact on algae.
The diseases caused by algae are as follows:Amnesiac shellfish poisoningCiguateraParalytic shellfish poisoningProtothecosis
i dont no it may be if u get the answer tell us
what are the factors that determine when a substance is toxic and unfit for human consumption
Cray fish live in an environment where there are many types of algae without any bad effect however there are certain types of algae that can kill the creatures that come in contact with them either because they are toxic or because there is too much of it.
Activities such as shipping, dams, watering and fertilization of crops and dredging have an impact on algae.
The diseases caused by algae are as follows:Amnesiac shellfish poisoningCiguateraParalytic shellfish poisoningProtothecosis
Blue green algae is toxic so I would take care with it.
algae
Jianzong He has written: 'He shuo hong chao' -- subject(s): Control, Toxic algae, Red tide, Monitoring, Algal blooms, Toxic marine algae
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human impact is impact of humans on an enviornment
The human's impacts to Murray-Darling river are wastes the water, throw rubbishes and pour the toxic waste. The most human's impact to river is pouring toxic into river. Because toxic waste is poisonous, so if someone in a factory pours toxic waste into the river, the poison will spread into the river. So the poison water flows into ocean. But while the water flows into the ocean, the fishes drink the poison water also the water flows into the ground and the ground grows poison plants
what are the factors that determine when a substance is toxic and unfit for human consumption
There are currently no reports of ammonium alum being toxic to the human body. It is classified as being nontoxic.
human impact means an activity on a place which there is no human such as nature (forests and mountains)
...How would WHAT impact human Settlement?