Science

Recent Answers

2012-02-07 Algebra - Math Help!:

Systems 2  1. A, 2. D, 3. A, 4. D, 5. B, 6. B, 7. D, 8. C, 9. B, 10. C  Systems 3  1. A, 2. B, 3. B, 4. B  Systems 4  1. A  2. 6x+4y=-4, 6x-9y=30, subtract to get 17y=-34 so y=-2, x=2,  3. D, 4. D  Systems

2012-02-06 Physics - superconductivity:

> electrons can form cooper pairs at normal temperature    You are apparently aware that superconductivity can only occur after formation of Cooper Pairs (CPs). I'm going to presume you are also aware

2012-02-06 Physics - atoms:

When you say the "the middle of the neutron or the neutron" is seems like you may be referring to the nucleus.   All atoms have only one nucleus.  Most atoms (besides hydrogen) have multiple neutrons,

2012-02-06 Geology - Very basic rock ID:

Dann:    With regards to the types of rocks you are finding there are two I would recommend.  The standard when I was in school (including at Temple University) was Simon and Schuster's guide to Rocks

2012-02-06 Entomology (Study of Bugs) - Bug found on my cat:

Hi Melissa   Without seeing it I cannot be sure but since you haven't mentioned the cat getting bitten or scratching I suspect that is just a bug hitching a ride. Do the black specks seem alive? If the