0
Grand Rapids, Michigan was the first city to add fluoride to its water supply in 1945 as an experiment to test the effects on dental health.
What else can I help you with?
In a salt water tank do you put water or sand first?
If you are premixing the salt in a large container outside the tank, then put the sand in first. If you are going to mix the water and salt in the tank, then put the water in and mix it first, and then when its mixed put in the (rinsed!) sand. It will fog up, but that will go away.
Would ice cubes melt in hot water first or will the ice cubes freeze the water first?
If you put ice cubes in a bowl or whatever of hot water, the ice cube is sure to melt when put so says science.
Can you put crayfish in tap water?
Yes, you can put crayfish in tap water, but it's important to treat the water first. Tap water often contains chlorine or chloramine, which can be harmful to crayfish. Using a water conditioner to remove these chemicals is advisable. Additionally, ensure the water temperature and pH levels are suitable for the specific species of crayfish you have.
What tool can you use to separate rocks and water?
You can use a coffee filter in first than put your water in than the gravel and that is how you separate gravel and water...:) or you can get a screen like a drainer and pour all of your gravel and water in that.....:)
Will a hot water ice cube freeze faster?
yes. it has been proven by people long ago. you might want to try it yourself and put hot water and ice water in your fridge to see which one freezes first!
Is there floride in powdered baby formula?
No, as it should not be drank in high amounts or put in a baby's drink.
On mysims city creator how can you put out fires in the medieval times?
Put water on it. I'm not kidding.
Can goldfish be put in untreated water?
Yes. I put my goldfish in water strait out of the sink. We have a well so I dont know about city water, but I know that you can put well water strait out of the sink. Hope this helps.
When combining water and acid what comes first?
water does. if acid came first and you put water, it might splash and be very dangerous.
How do you complete level 25 on factory balls 3?
First you put on the hat then put in the flowers then water them. After that you put it in the flowers again the you DO NOT WATER IT! So after you do that, you put the hat on (again) then put it in the blue dye. Then, you put the grass on then water it two times.
What was the first city in the United States to have police on bicycles?
The first American City to put police on bicycles was Seatle, Washington. Seatle was the also the first to have a gas station.
How do you make slime soft and strechey?
first you put hot water then put a bowl in the hot water in the bowl with nothing in it you put the slime in for 15 secends
In a salt water tank do you put water or sand first?
If you are premixing the salt in a large container outside the tank, then put the sand in first. If you are going to mix the water and salt in the tank, then put the water in and mix it first, and then when its mixed put in the (rinsed!) sand. It will fog up, but that will go away.
How would you put the word reservoir in a sentence?
There is a large reservoir on the edge of the city that provides water for it.
What will a can of diet soda do if it is put in water?
As long as the can of diet soda remains sealed, it does nothing when you put it in water. The aluminum is not soluble in water, the contents are sealed within, and nothing happens. If you opened the can first and then put it in water, the contents would gradually diffuse into the surrounding water.
When you are making a bath do you put hot or cold water in first?
hot
When first put in water a plastic toy boat will sink until?
You fill the bottom of the boat with water
