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.
Squashes come in two types: winter and summer. While both types share some similarities and benefits, there are a few major differences. Summer squash, including green zucchini and yellow squash, are lower in calories and much lower in natural sugars and starch, so they have lower scores on the glycemic index. All summer squash are technically picked before they fully ripen and become hardened.