A chain bracelet is found. It looks as though it might be made of either gold or of copper.
When the bracelet is submerged in a graduated cylinder containing water, the volume of
the water rises from 9.2 cm to 11.7 cm". The bracelet has a mass of 45 g. Is the bracelet
made of gold or copper? (Note: The density of gold is 19.3 g/cm' and the density of
copper is 8.92 g/cm.)
Answers: 2
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The function of the excretory system is to control homeostasis and
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In cattle a single gene with two alleles determines fur color the fur can be red white or roan roan fur has both red and white hair which of the following statements is true a the allele for roan fur color is dominant over red and white fur color b the allele for red fur color is dominant over white and roan fur color c the roan and white alleles are expressed independently of the other d the red and white alleles are expressed independently of each other
Answers: 1
Biology, 22.06.2019 21:00
What is the difference between hypothesis, theories, laws, and observations?
Answers: 1
A chain bracelet is found. It looks as though it might be made of either gold or of copper.
When th...
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