I noticed that the actual inside of the glass bulb is lined with a layer of white powder that wipes off real easily. what exactly is that stuff? and is it dangerous to get on your skin or inhale or something? some things say its just to even out the li...
Why is the tundra considered a fragile and unstable biome
Pls. Answer.what are the uses of sound energy?.
What do you call aperson who studies birds is there even such thing as that like a birdyologist...I know its stupid but I cant stop thinking about it
my chemistry teacher was telling me about how heavy water is made up..and I was wondering..how can you get heavy water? do you have to make it or can you purchase it?
please try to make your answers brief and detailed
ok I just confused myself. does constant acceleration mean that it doesn change or that it changes constantly?
Does changing out the stock rims on my car for bigger rims have an effect on anything? (suspension, gas mileage, etc.)
how much does a 1/4 gram and a 1/2 gram weigh?
What the hell does in mean if the sky is yellow??? Because I seen a tornado video and the sky was yellow.
I am doing a project for biology and I need a campain slogan for the nucleus of a cell. Please help me!!!
I have this science project where I have to make and element a superhero and I have calcium but I dont knowwhat to name the hero ididnt really want to do calcium girl thanx:)
Is there a difference between molecules, formula units, and atoms?
Aren't they all particles? What is the difference? I don't get how you can tell.
How do you differentiate?
What are the 3 different types of molar mass?
When a male ejaculates into a female does his sperm know where to go by insticts or does the male have to like shoot it into the direction
What is excretion and why is it important in living organisms?
Why does chemical weathering occur more quickly in a hot climate? Can anoybody help me out here im trying to do my homework and I can find it anywhere!
How long will a car run if someone put sugar, sand or anything like that in a gas tank?
How to make an aluminum atom model?
At sea level, a kilogram weighs approximately:
Why is it that some ugly people have really attractive parents and some beautiful people's parents aren't very attractive? Where would the pretty people get the attractive physical features from if not their parents?
Does the sun move around the earth or does the earth moves around the sun???
How are species related to the concept of biodiversity?