Answer:
Groundwater
Explanation:
The factories mostly need large quantities of water to carry out their production precesses, however, as well as they need natural recources for their operation, they also dispose of them and a large part of the environmental contamination is due to the release of substances emitted by these. It´s very easy for toxic waste to contaminate rivers, lakes and aceans. Groundwater on the other hand is more complicated to contaminate because it´s found in aquifers below the surface of the arth, making by these factories to reach these places; althouh not impossible.
I believe the answer is <span>sampling method
During the sampling method, researchers will pick a certain amount of representatives from the population under study.
An example of how this could create a bias would be when the Researchers want to study the general population's opinion on immigration, but only choosing voters from a certain political party as a representative.</span>
Answer:
Multiplication or division by a power of ten = 
Example:
m --->km
1 -divide the length value by 1000--> 0.001
Answer:
Teaches
Explanation:
History teaches people about the past. And shows how it is connected to the present and the future, which enables people to identify patterns that help people to avoid repeating (mistakes and poor decisions) and aides in making better decisions.
The correct answer is C. Plateou of Tibet. It has this name because it is the highest region of the world, but at the same time it's reasonably large (unlike single mountains).