What kind of reaction is 2Ca(s)+ O2(g) >2CaO(s)

This comparative chart is an example of one that might be used by scientists and law enforcement personnel for identification purposes. the chart represents a technological advance called

Which is not a type of symmetry? a. asymmetryb. radial symmetryc. bilateral symmetryd. lateral symmetry

Which feature of a human community is similar to a niche in a biological community