Biology, 10.10.2019 06:30 cupcakesmc619
The doppler effect suggests that sound waves are relative to the observer. you know if an object is coming or going from the sound it makes. light waves follow the doppler effect also. however, instead of sound changing, you know if an object is coming or going
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Biology, 21.06.2019 13:30
Which of the following elements does soil need in the largest quantities to sustain plant life? a. copper b. iron c. nitrogen d. zinc
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Biology, 22.06.2019 00:10
Which would happen if more forests were cut down? a. the nitrogen cycle would be stopped b. nitrogen would be fixed by bacteria more quickly c. the amount of co2 in the atmosphere would increase d. fossil fuels would build up in the soil c the amount of co2 in the atmosphere would increase
Answers: 1
Biology, 22.06.2019 06:30
Guard cells control which event? the growth of plants capture of solar energy gas exchange in leaves water absorption in roots
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Biology, 22.06.2019 15:00
The color of the fur is the genotypephenotype.the genetic combination of alleles that determine the fur color is called the genotypephenotype.
Answers: 1
The doppler effect suggests that sound waves are relative to the observer. you know if an object is...
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