At least 7 billion people
People living in rural and urban areas to drink,bath,cook,wash cloth
I think the correct answer from the choices listed above is option D. Technological methods used to prove that plate tectonics occur include <span>ocean floor mapping and earthquake tracking. Hope this answers the question. Have a nice day.</span>
Answer:
Sunspots appear over a range of 40-50∘N latitude to 40-50∘S latitude.