The food groups are carbohydrates, fats, protein, water, vitamins, minerals and fibre Fruits, vegetalbes, grains, dairy and protein foods are the   5 food groups.They pro â¦ vide the nutritional building blocks to  optimal health.3 people found this useful.here are only four different food groups; therefore, the maximum number of food groups you can have in your dish/meal is four. Now try to think of a dish that contains all of â¦ the groups: grain product, vegetables and fruits, milk and alternatives, and meat and alternatives.
Dworshak Dam is a concrete gravity dam with a sloped downstream face and vertical upstream face, standing 717 feet (219 m) high from the foundations, 632 feet (193 m) above the riverbed and measuring 3,287 feet (1,002 m) long along its crest.
The average life expectancy of a dam is 50 years, and 25% of the dams in the Army Corps of Engineers National Inventory of Dams are now more than 50 years old.This number is projected to increase to 85% by the year 2020.he Glen Canyon Dam supplies over 5 million people with power (Glen Canyon Dam Adaptive Management Program, 2007). These two dams also have the capacity to store 32,471,000 acre-feet and 27,000,000 acre-feet of water, respectively. In order to harvest hydropower however, dams must be built.