It is true that dead zones in waterways can occur as the result of fertilizer runoff.
Answer:
It is a group designed to not be affected by any variables and to be used as a comparison to the other groups. It helps increase the reliability of your results, as it shows your independent variable is what made something happen in your experiment.
This is the chronicle of evolution over millions of years of geologic time engraved in the order which fossils appear in rock strata.
Answer:healthy plants
Explanation:the farmers use raw manure on their fields because it is an excellent source of nitrogen (N), phosphorus (P) and potassium (K), which are all nutrients necessary for plants to grow and thrive.
They have bilateral symmetry and a rounded shape.
