Answer: A variety of substances will dissolve oil, including gasoline and carbon tetrachloride -- both of which have non-polar molecules. Acetone is a special class of solvent called “dipolar aprotic” that, depending on the circumstances, can act as a weak acid or base; it dissolves oil and mixes with water as well.
Explanation:
They construct dams and create an ecosystem for other species . Because of their dam building nests become available for birds, fish population increases and waterfowl population goes up
Answer:
DNA
Explanation:
maybe... BUT PROBABLY YESS
2.) occasionally beneficial
3.) omission of information
4.) addition of information
5.) mistakes in copying
Answer:
A monarch butterfly migrating
Explanation:
I think it is the butterfly because butterfly's fly right after they come out of the cocoon
