Answer:
The correct answer is Layer B!
Explanation:
The magnetic field is generated by electric currents due to the motion of convection currents of molten iron in the Earth's outer core
1) wind power is a renewable resource, and will never run out (until the end of the world at least lol)
2) No harmful pollutions gases are produced
3) There are no fuel costs
4) Helps Negate the Greenhouse effect
etc. etc
hope this helps
The country's inability to supply enough food or jobs for its rapidly growing population.
The answer is seafloor spreading
Answer:
Explanation:
Native trees have better disease and pest resistance, but how a tree is planted and the site that it is planted in can affect its overall health. Trees that become diseased are often attacked by insects (pests). This is because the disease weakens the tree's defenses, making it vulnerable to infestation by pests.
