<span>A) Kelp is the keystone species because their survival is key to the survival of the entire ecosystem. </span>
Answer:
The coil generates a stronger magnetic field. The coil generates a weaker magnetic field. The field generated by the coil has a different polarity than the field generated by the length of wire.
Explanation: Good Luck!!
Biology is the natural science that studies life and living organisms, including their physical structure, chemical processes, molecular interactions, physiological mechanisms, development and evolution.
C. because the human is not benefiting and could be caused harm