I believe the correct answer from the choices listed above is option A. A new energy source found in the ocean that is currently very costly to obtain would be methane hydrates. Although the high cost, it <span>represents a potentially vast </span>methane<span> resource for both the United States and the world. Hope this answers the question.</span>
The theory of the continental drift explained how the continents had shifted their original positions. Once all joined together, as a "Urkontinent." Many people thought it was the mountains making them sink, but then that was dismissed because continental rocks were too light to sink to the ocean floor.
Answer:
<em><u>These are all things which affect the envoronment. Trees and fish are natural resources which can help humanity survive. They are affected by winds and weather but also by what we choose to do with them. We often take more than we should which harms the balance in nature. </u></em>
<em><u>P</u></em><em><u>l</u></em><em><u>e</u></em><em><u>a</u></em><em><u>s</u></em><em><u>e</u></em><em><u> </u></em><em><u>M</u></em><em><u>a</u></em><em><u>r</u></em><em><u>k</u></em><em><u>♡</u></em><em><u>♡</u></em>
After reaching North America, humans migrated to South America.
<span>an idealized cycle of processes undergone by rocks in the earth's crust, involving igneous intrusion, uplift, erosion, transportation, deposition as sedimentary rock, metamorphism, remelting, and further igneous intrusion.</span>
