Science

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Huderon

magnesium & copper sulphate

what happens when you add magnesium to copper sulphate

can u help me

if a hydrogen atom has a mass of 3,is it an isotope

SKA

biofilms

How are biofilms important in microbial diseases where are they found and what do they do etc. Any info? TIA

energy

BT Yahoo browser How to cut your energy bill ,ensure your microwave is completely switched off simply powering the clock can use more energy than heating the food ,surely not

chelyar

what causes static

what causes static

mmmhelp

physics question

Tom is chasing Jerry across the surface of a table 1.5m above the floor. At the last second Jerry steps out of the way and Tom slides off the edge at a speed of 5.0 m/s. Where will Tom strike the...

Light Dimmer Switch

When I turn the dimmer down on my light switch, am I saving electricity or is it just being wasted in a resistor?

two moons

If the Earth had two moons ,both roughly the same size and directly opposite each other, what would be the effect on the oceans. would there be no high and low tides or would we have twice as many?

13 fundamental Particles.....

There are, apparently 13 particales from which all matter and forces are made, can someone list them please, I had a go but I'm not sure if the theoretical ones are in the list, eg graviton's etc....

ciab

wave machine

I am looking to find a wave machine, which were popular in the 60's and 70's, anyone help?

biology question #2

ok i got another one 4 ya 'state TWO ways in which the structure of the wall of the bronchus would be different in a long term smoker.' i put that the cilia die so mucus builds up...but i need another...

rwwaite

stationary helicopter

For an observer in a helicopter, does the earth appear to revolve under it if it hovers for a long time or does it remain over the same spot??? i.e. does it follow the rotation of the earth...

burbie

rechargable batteries

If the rechargable batteries in my digital camera run out , can I use ordinary duracell batteries for the time being while I charge up the others. Would it cause any damage to the camera. Thanks.

Is there any material that will block the waves from aHandHeldMetalDetector so it cant detect metal underneath?

we run a small secuity company in the uk but we are having problems when using a hand held metal detctor as we only have a small area and the walls have metal in them and set it off. Is there any...

LDB

Pressure

If 1 cu metre of air at sea level was compressd to 150 psi what would its volume be?

biology question :(

question tht i dont kno an answer to is: can you give an example of an organism which has an external gas exchange surface? any help would be appreciated :)

amywy88

Direct analysis in real time

Why is Helium the best gas for use with DART?

steveb

Enterobacter cloacae non-nosocomial infections

I know its a long shot but does anybody know anywhere i can get information about Enterobacter cloacae infections which aren't picked up from a hospital or similar situation. The occurence of these is...

acid & alkaline

what is acid & alkaline used in making

Temperature Sensations

I just took my lunch out of a cold fridge - thermometer read 1 degree celcius. Contents of sandwich bag contained small tin of tuna and two slices of bread. The tin felt icy cold but the bread didn't...

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