In a lab, students are facilitating chemical reactions. The reaction that they are working with is breaking a single compound down into two or more simpler substances. What type of reaction are
the students facilitating?
O a combustion reaction
O a synthesis reaction
O a single displacement reaction
O a decomposition reaction

Molecular models of two different substances are shown below. in the molecule on the left, the oxygen atom pulls on electrons more strongly than the hydrogen atoms. in the molecule on the right, the two oxygen atoms pull on the shared electrons with the same strength. water molecule, h,o oxygen molecule, oz when the two substances are put in the same container, they do not attract each other. why does this happen? a. they both contain oxygen. b. one is polar and one is nonpolar. c . they are both polar. d. they contain different elements.

Drag each tile to the correct location. match each trait that an organism displays to a reproductive strategy.

If an organ has six haploid chromosomes,how many chromosomes are present. 6 12