<span>Cuba
In Cuba, Puerto Rico, the Dominican Republic and some other Caribbean nations, guagua is how they say bus.</span>
Answer:
It's groundwater becomes contaminated.
Explanation:
More than 94% of the coal ash ponds in the United States are unlined. Almost all of them are contaminating groundwater with toxins above levels that the U.S. Environmental Protection Agency deems safe for drinking water.
sorry if it dosn't help i had a bad day ;-;
An organism with two different genes for a specific trait is said to be “heterozygous” (b).