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I use a toxic gas/vapour meter. This is calibrated prior to use to the default gas methane. When I am detecting say toluene vapours and the meter reads 100ppm (remember this is calibrated for...
will we see the meteor shower tonight we live in bristol
For you epidemiology buffs: A recent practice question puzzled me: If a physician were to design a study to determine if accupuncture can be used to induce labor, would he choose a case control or...
determine the amount of gravity of two bodies whose mass is 10 grams each and are 10 cm
Question in Arts (Don't want to post it all over the place so if you know the answer, could you post it there please. Thanks.)
I possess what I presume to be a silver tea set which, along with some very odd hallmarks, has a large numeric 1760 stamped alongside. could anyone throw any light on this.
how to make box feeder,disintegrator which used to make clay bricks?
From what aspect of geometry are the shapes of the orbits of objects in space derived?
what do most sciantists think is causing the rise in mean global tempritures
what do most sciantists think is causing the rise in mean global tempritures?
Does Nibiru (planet x) actually exist? Thanks for any answer.
process by which one community of organisms slowley replaces anther in an area
If an electrical plant ceased to manned, how long would the grids serviced continue to have power?
how a wave breaker is formed? what processes bays and headland? Name three factors that determine the hieght of a wave? explain the differance between spring tides and neep tides? explain why the bay...
what is centripetal acceleration
on the Beagle , Charles Darwin 's job was to ?
Amongst the radioactive elements that were incorporated when the Earth was formed were: uranium 238U with a half-life of 4.5 ? 109 y uranium 235U with a half-life of 7.1 ? 108y thorium 230Th with a...
what is a caneaster