If conditions are real good, 3 days. But it'll depend on a lot of things, so you really have to check it.
20 minutes
0 minutes...Since it is ice..it is already froze.
0
Oxygen is the gas which is produced in pond weed during the presence of light under water. Like non-pond-dwelling plants, pond weeds take in carbon dioxide and release oxygen during photosynthesis. Photosynthesis will take place in pond weeds flourishing under water when the surface is clear and unobstructed enough to allow sunlight to enter or filter through.
The answer will depend on the size of the bricks, which are not standard.
509.7 litres
pound*
1 year
Approx 11.34 years.
24
112500 cubic inches
it is possible but it will take about a month to ship
I'm not sure what a "through" is. Maybe you meant a trough? Anyways it's mostly irrelevant so long as it's flat-bottomed and the opening isn't wider or narrower than the body. In one hour 3 inches of precipitation will fill any such a container with 3 inches of water. Wait half a day to let the gauge accumulate to a dozen times that.
How long it takes a plant to grow three inches depends on the plant. Mile A Minute plant can grow three inches in an hour.
Honey, it'll take years.
If the pond is not deep, the fish can leave the pond. It is important to take good care of them or they will be tempted to leave.
It will take a year approximately for your hair to grow 6 inches.