Glucose is produced in the mitochondria. :)
Trade was the main way that ideas and culture spread between Egypt and Nubia
<span><span> A.</span><span>Since ancient times, people have used waterways for transportation.
</span></span><span> B. When natural waterways are too difficult to navigate, people sometimes dig canals to provide a better means of transportation.
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<span>D. Canals are man-made waterways that change the natural landscape to meet human needs.</span>
Farming remained the the main economic activity. It moved west with settlement. Inventions, such as cotton gin, encouraged planters to grow even more crops.
(mark me a brainlest)
