<span>The most valuable natural resource in Mexico is petroleum.This huge stack of resource helps Mexico with their economic activities to flourish. The petroleum base id </span><span>controlled by Petroleos Mexicanos (PEMEX). since oil is derived from petroleum, the answer is A. </span>
Independence movements in South America can be traced back to slave revolts in plantations in the northernmost part of the continent and Caribbean. ... In 1791, slaves in Haiti formed a revolution to seek independence from their French owners.
<u>Answer:</u>
<em>Oxygen levels would be higher, but carbon dioxide levels would be the same.
</em>
<em></em>
<u>Explanation:</u>
The procedure by which living things convert oxygen and glucose to water and carbon, accordingly yielding vitality is called photosynthesis. It does not require the nearness of daylight and is continually happening in living life forms. Cell breath occurs in the mitochondria of cells.
Through these procedures, plants get the carbon dioxide they need, and living life forms get the oxygen they need. They are additionally crucial to the vitality trade that living things need to endure.