What problems did travelers face on the Nile? There were 6 cataracts that broke up the flow of the NIle. They made it impossible to sail directly from the Nile Delta south to East Africa without taking the boad out of water and carrying it. Because the river flows south to north, sails were needed to move the boat upstream.
There are 18 calories in 1 cup of sliced Yellow Summer Squash. Calorie breakdown: 8% fat, 67% carbs, 24% protein.
Share. There are hundreds of varieties of summer squash, ranging from dark green to bright yellow, long to stubby, smooth to lumpy to ridged. It's a complicated family of produce, but as the season winds down, we figured you might want to know what the difference is and which varieties are best.ere are 10 common and uncommon varieties. Flickr user i love butter. 1. Zucchini. Youâll find these in green, mostly, but also yellow and, occasionally, in dark green with pale green stripes. Long, with flattened sides, zucchini is a good average summer squash.