It is true that dead zones in waterways can occur as the result of fertilizer runoff.
Answer:
because they can donate blood to anyone
Explanation:
A. Decreasing amount of energy needed to start a reaction.
Means they are related through a common distant ancestor. This shows that these structures (morphology) are homologous. They all have 7 neck (cervical) vertebrae, but giraffes cervical vertebrae are elongated compared to that of humans due to their adaptation as browsers .
