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Science questions and answers - page 2
Who invented the light bulb
I've heard its thomas edisonIf you have an ore that contains Fe3O4 what is the mass of it?
An ore contains Fe3O4 and no other iron. The iron in a 56-gram sample of the ore is all converted by a series of chemical reactions to Fe2O3. Th...I need help on how to solve a percent yield problem
A 45.1 g of iron ore is treated as follows. The iron in the sample is all converted by a series of chemical reactions to Fe2O3. The mass of Fe2O...SCIENCE HOMEWORK HELP ASAP!!!
Hey...I Need to know if this is right. I have Science homework. Its on a cell. I am Compairing a Cell to Walmart. Is this right? Nucleus: Boss Cy...How many colors does the rainbow really have, and wich?
How many colors does the rainbow really have, and wich?do you like science???
YES or NO.I hate science!!!What are the merits of cloning?
I need strong and detailed answers.Calculate time in Physics
An object is released from rest off the top of a building. The height of the building from the ground is 20m. Gravitationsl pull is 9.8m/s2 ( Ignor...Science Question
Finish the sentence... Convection is due to a hot liquid or gas...? One word missing. Thankshelp!
What is the name given to many of the elemnts that have more that one oxidation number?? is it isotopes?Whats joining small molecules to make long chains called?
Whats joining small molecules to make long chains called?when do females stop growing?
I was just curious because my science teacher was like they stop at 16 and I always thought it just depends on the persons body. but who knows?Oxygen
What are some elements that can combine with oxygenHow long would it take..Mars to Earth radio transmission?
If I send a message from mars.How long before some one responds from Earth?Coral Reef Food Web!!!
Okay, So I have a project on "Coral reefs" and I don't know wats WRONG with the internet but theres like NO websites that are giving me an "aaccttu...