Recreate the sequence that occurs in the carbon cycle beginning with carbon dioxide gas. combustion
atmosphere
soil organic matter
+
fossil fuel
plant biomass
1
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What must happen before meiosis can begin? a. four gametes must be produced b. the four tetrads must be pulled apart c. dna doubles and produces sister chromatids d. the cell membrane pinches together

Which flexible structure that supports the nerve cord and led to the backbone

Type the correct answer in each box. use numerals instead of words. if necessary, use / for the fraction bar. the following chemical equation shows the combustion of ethane. balance the equation by filling in the coefficients. c2h6 + o2 → co2 + h2o