Which is made from the remains of dead plants over millions of years?
a. uranium
b. nat...
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Biology, 21.06.2019 19:00
What came first egg or chicken? and is tomato a vegetable or a fruit?
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Biology, 21.06.2019 19:30
Color blindness is a recessive trait. the gene for color blindness is on the x chromosome. the family tree below shows the trait of color blindness. the only unknown is the mother in the first generation
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Biology, 22.06.2019 09:00
How can an organ, such as the lungs, work for multiple body systems?
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Biology, 22.06.2019 13:30
Which of th following best describes how genes produce traits in an organism?
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