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What weighs more a kilo of feathers or a kilo of stone?
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3
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159
Paul
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Sperm cells carrying the Y chromosome will?
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0
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175
WSMA
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M
Evolution of human intelligence?
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3
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192
ghost_warrur
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where on their website can i find the staff off scientific american?
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1
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125
Anna O.
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Does size really matter?
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0
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201
Sarah
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What exactly is tectonics? ?
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142
RaisingJoy
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would the DNA strand thats codes our hair color be the same as the one that...
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1
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508
peter s
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K
Finding enthalpy with moles and heat?
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0
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224
kpreston2004
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K
calculus problem!! please help!! smart people answerrr thanks a bunch!?
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0
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209
Kevin Y
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C
how to square fractions? what is 3/4 ^2?
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0
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150
christopherhayes93
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Muscle Contraction Process?
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0
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210
Nicole C
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J
Carpenter cuts board pieces each 1 a ft. long from board=9 1/2 ft. long. What is
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0
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104
jess
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J
How many bacteria are in a colony?
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0
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175
John
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Should we reinstate Pluto as a planet?
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0
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289
Emmy
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AP Chemistry Help- Thermodynamics?
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0
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224
Shoua K
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Is it true about the stars and new constellations ?
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1
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136
Ashley
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How well does the meade etx 125pe work for astrophotagraphy? All help is thanked.?
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0
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97
parkus45
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Big bang Haru haru music sheet?
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0
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256
Shelley
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what is the difference of macro and micro-nutrient?
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0
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126
mohdfairuz
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M
The following unbalanced reaction is Al + Fe3O4 Fe + Al2O3.?
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0
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578
marrcy
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What are the best colleges that major in Astronomy, Neurology, Criminal Sciences? ?
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0
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203
Salmon9918
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International Space Centre - Why is it more visible tonight?
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1
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178
John S
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Why would this be multiplied by instead of divided by?
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0
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130
Hildi H
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metal detectors in school?
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0
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184
Big
B
R
the orion constellation...?
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1
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269
MAN
M
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9th grade algebra word problem. please help?
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0
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162
♥♥♥
♥
C
how are my midterms 10 percent of my midyear grade?
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0
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126
college bound
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BIOLOGY CROSSWORD HELP!?
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1
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318
Seth D
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i herd when we die we re-born in a different body and place?
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1
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145
Franklin
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Increases or decreases in temperature can significantly lower the reaction rate.?
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0
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351
anotherteen26
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What percentage of the cytoplasm is composed of organic material?
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0
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681
jahne
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What kinds of scientist study this?
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0
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178
Dana
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9
Can you explain about the vascular system in plants?
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0
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175
9th grader
9
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2 questions on Plasma membrane?
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0
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170
♥ Haley ♥
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Exterior angle question?
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0
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135
Jessica
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why does the e.coli dna migrate more efficiently than s.aureus in agarose gel...
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0
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152
chem_er
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Evidence of Evolutionary??????????!!!!!?
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0
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132
jabbajul
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I need the standards for normalizing to chondrite in REE.?
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0
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153
josh_maurer2002
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Moon Phase Question???? HELP!!?
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0
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130
EvanAllan
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Bacteria on a petri dish?
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0
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184
Joanna J
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