Answer:
Radioactive isotopes has a characteristic half life that is ranging from less than a second to million of years.
Explanation:
One of the characteristics of radioactive material is that the radio active isotopes instantly gives off particles. This process is termed as radio active decay.For this activity pennies are used pennies headed up it means that nuclei have undergone radio active decay, or tails up it means that nuclei that haven't yet decayed.
Answer:
money plant
Explanation:
it produces air back in to oxygen. and it also feeds insects.
Cyanide, raw sewage, petroleum from shipping accidents, and detergents are all examples of Water pollution.
Water pollution is the contamination of water bodies by substances like Cyanide, raw sewage, petroleum from shipping accidents, and detergents This makes water unfit for drinking, cooking, cleaning, and other purposes. It may provide an environment suitable for growth of bacteria, algae bloom and other parasites which even destroys the life of animals residing in the water body like fishes.
All other forms of pollution eventually make their way to water and disturb the pH of water. Biochemical Oxygen demand (BOD) is the attribute which measures the pollution in water body at surface level.
Hence,Cyanide, raw sewage, petroleum from shipping accidents, and detergents are all examples of Water pollution.
Learn more about water pollution here:
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Answer:
okay gimmie like 5 mins I'll look at them then give u awnser
Answer:
3 and 4
Explanation:
Both appear to be up river which mean they're coming DOWN to contaminate the uptake. If they're ahead of the uptake facility they're not going to show up in the water. I only know this because of City Skylines :)