Science help please?

1. The production of__is greater than that of any other alloy


is it A. Amalgram B: Brass C: Bronze D: Steel





2. Steel is an alloy of iron and__


A: Carbon B: Mercury C: Tin D: Zinc





3. Structural ceramics contain silicon or __


A:Aluminum B: Carbon C:Copper D: Lithium





4. A source of the materials used to make plastics is__


A: Clay B: Ore C: Petroleum D: Synthetic Fiber





5. __is an element used in fibers to build lightweight car bodies.


A: Sodium B: Chlorine C: Lithium D: Boron





6. Brass %26amp; bronze both contain__


A: Mercury B: Copper C: Tin D: Zinc





7.__alloys r lightweight %26amp; strong


A:Aluminum-lithium B: copper-tin C: copper-zinc D:iron-carbon





8. __is a natural protein polymer


A: Nylon B: Polyethylene C:Teflon D:Silk





9. Clay is used to make__


A: alloys B: ceramics C: Ores D:Plastics





__is not a recent use of technology that has improved speed-skating performance


A:new fiber in suits B:colder ice C:composite blades D:lighter shoes

Science help please?
too bad sucker u gotta do ur own hw
Reply:1C


2C


3C


4A


5D


6A


7B


8B


9D


10A
Reply:6. I know that copper and tin make bronze.


7. aluminium-lithium


9. ceramics


10. composite blades
Reply:sorry my science is so bad
Reply:gklar'hga'
Reply:DIY DUH
Reply:Whatever happened to kids/teens doing their own homework...besides how can you be 100% sure that the answers you'll recieve here are correct?
Reply:1.D. Steel


2.C. Tin


3.B. Carbon (not sure for this 1)


4.D. synt. fiber


5.C. lithium


6.b copper


7.a aluminum/ lithium


8.b polyethylene


9.b ceramics


10 c composite blades
Reply:google it .... =p



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