QUIZ
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TIME REMA
06:2
Which term describes a pure substance that is made up of only one type of atom?
matter
rock
compound
element

Cattle with brown fur and cattle with white fur will produce a reddish roan calf . when examined closely, the calf show about an even number of brown hairs and white hairs that give a reddish appearance when viewed from far away. the fact that both the brown fur allele and the white fur allele are expressed equally in the offspring is an example of