Article VII of the Constitution required nine of thirteen states to ratify the Constitution for it to become law. In June 1788, New Hampshire became the ninth state. Rhode Isl â¦ and was the last of the states to ratify, in May 1790.
Storage Volume. A small (50- to 60-gallon) storage tank is usually sufficient for one to two three people. A medium (80-gallon) storage tank works well for three to four people. A large tank is appropriate for four to six people. For active systems, the size of the solar storage tank increases with the size of the collector -- typically 1.5 gallons per square foot of collector.
A 50-gallon water heater is ideal for a 3 to 4 person home. The glass-lined tank and anode rod protect the tank interior from corrosion for a longer life, and it even features an extra heating element that switches on during high-demand periods.