<span>Earth is the densest planet known. </span>
Explanation:
when it rains in the morning in South Atlantic it floods snow
They had a new general and creates an ambush Hope this helps :)
Answer: The truth about the cleaning up of contaminated groundwater is that:
It is always difficult and expensive, but can be returned to normal.
Explanation: Groundwater are water that are found close to household environment, that is why when they are contaminated it is very difficult and expensive to treat them.
Both independent and dependent variables are important within any
experiment but they play very different roles. Independent variables are
those which are controlled by the scientist and change as a result of
this, where as dependent variables are those that show the result of
these changes and are measured.
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